8 U.S. Forest Service
8.1 Region 1
Region 1 National Forests
Region 1 National Forests: Total
We obtained results for Region 1 National Forests: Total by compiling and jointly analyzing data from 29 strata.
Field technicians completed 164 of 167 planned surveys (98%) in 2023. Technicians conducted 1821 point counts within the 164 surveyed grid cells between May 30 and July 17. They detected 164 bird species, including 5 priority species.
Bird Conservancy estimated densities and population sizes for 201 species that were detected in any year during which surveys were conducted, 11 of which are priority species. The data yielded robust density estimates (CV < 50%) for 111 species.
Bird Conservancy estimated the proportion of 1 km² grid cells occupied (Ψ, Psi) throughout Region 1 National Forests: Total for 208 species that were detected in any year during which surveys were conducted, 11 of which are priority species. The data yielded robust occupancy estimates (CV < 50%) for 122 species.
Beaverhead-Deerlodge National Forest
We obtained results for Beaverhead-Deerlodge National Forest by compiling and jointly analyzing data from two strata.
Field technicians completed all planned surveys (100%) in 2023. Technicians conducted 111 point counts within the 11 surveyed grid cells between June 14 and July 13. They detected 62 bird species, including 0 priority species.
Bird Conservancy estimated densities and population sizes for 119 species that were detected in any year during which surveys were conducted, 0 of which are priority species. The data yielded robust density estimates (CV < 50%) for 29 species.
Bird Conservancy estimated the proportion of 1 km² grid cells occupied (Ψ, Psi) throughout Beaverhead-Deerlodge National Forest for 121 species that were detected in any year during which surveys were conducted, 0 of which are priority species. The data yielded robust occupancy estimates (CV < 50%) for 31 species.
Bitterroot National Forest
We obtained results for Bitterroot National Forest by compiling and jointly analyzing data from three strata.
Field technicians completed all planned surveys (100%) in 2023. Technicians conducted 158 point counts within the 12 surveyed grid cells between June 3 and July 16. They detected 70 bird species, including 2 priority species.
Bird Conservancy estimated densities and population sizes for 118 species that were detected in any year during which surveys were conducted, 3 of which are priority species. The data yielded robust density estimates (CV < 50%) for 27 species.
Bird Conservancy estimated the proportion of 1 km² grid cells occupied (Ψ, Psi) throughout Bitterroot National Forest for 119 species that were detected in any year during which surveys were conducted, 3 of which are priority species. The data yielded robust occupancy estimates (CV < 50%) for 28 species.
Clearwater National Forest
We obtained results for Clearwater National Forest by compiling and jointly analyzing data from two strata.
Field technicians completed 9 of 10 planned surveys (90%) in 2023. Technicians conducted 75 point counts within the 9 surveyed grid cells between July 5 and July 17. They detected 48 bird species, including 2 priority species.
Bird Conservancy estimated densities and population sizes for 107 species that were detected in any year during which surveys were conducted, 4 of which are priority species. The data yielded robust density estimates (CV < 50%) for 16 species.
Bird Conservancy estimated the proportion of 1 km² grid cells occupied (Ψ, Psi) throughout Clearwater National Forest for 107 species that were detected in any year during which surveys were conducted, 4 of which are priority species. The data yielded robust occupancy estimates (CV < 50%) for 19 species.
Custer National Forest
We obtained results for Custer National Forest by compiling and jointly analyzing data from four strata.
Field technicians completed 14 of 15 planned surveys (93%) in 2023. Technicians conducted 155 point counts within the 14 surveyed grid cells between June 4 and July 15. They detected 103 bird species, including 9 priority species.
Bird Conservancy estimated densities and population sizes for 160 species that were detected in any year during which surveys were conducted, 15 of which are priority species. The data yielded robust density estimates (CV < 50%) for 46 species.
Bird Conservancy estimated the proportion of 1 km² grid cells occupied (Ψ, Psi) throughout Custer National Forest for 160 species that were detected in any year during which surveys were conducted, 15 of which are priority species. The data yielded robust occupancy estimates (CV < 50%) for 53 species.
Flathead National Forest
We obtained results for Flathead National Forest by compiling and jointly analyzing data from two strata.
Field technicians completed all planned surveys (100%) in 2023. Technicians conducted 139 point counts within the 10 surveyed grid cells between June 22 and July 5. They detected 65 bird species, including 1 priority species.
Bird Conservancy estimated densities and population sizes for 109 species that were detected in any year during which surveys were conducted, 4 of which are priority species. The data yielded robust density estimates (CV < 50%) for 30 species.
Bird Conservancy estimated the proportion of 1 km² grid cells occupied (Ψ, Psi) throughout Flathead National Forest for 112 species that were detected in any year during which surveys were conducted, 4 of which are priority species. The data yielded robust occupancy estimates (CV < 50%) for 32 species.
Gallatin National Forest
We obtained results for Gallatin National Forest by compiling and jointly analyzing data from two strata.
Field technicians completed all planned surveys (100%) in 2023. Technicians conducted 94 point counts within the 10 surveyed grid cells between May 31 and July 13. They detected 58 bird species, including 0 priority species.
Bird Conservancy estimated densities and population sizes for 119 species that were detected in any year during which surveys were conducted, 3 of which are priority species. The data yielded robust density estimates (CV < 50%) for 27 species.
Bird Conservancy estimated the proportion of 1 km² grid cells occupied (Ψ, Psi) throughout Gallatin National Forest for 119 species that were detected in any year during which surveys were conducted, 3 of which are priority species. The data yielded robust occupancy estimates (CV < 50%) for 27 species.
Helena National Forest
We obtained results for Helena National Forest by compiling and jointly analyzing data from two strata.
Field technicians completed all planned surveys (100%) in 2023. Technicians conducted 122 point counts within the 9 surveyed grid cells between June 23 and July 15. They detected 63 bird species, including 1 priority species.
Bird Conservancy estimated densities and population sizes for 128 species that were detected in any year during which surveys were conducted, 3 of which are priority species. The data yielded robust density estimates (CV < 50%) for 32 species.
Bird Conservancy estimated the proportion of 1 km² grid cells occupied (Ψ, Psi) throughout Helena National Forest for 130 species that were detected in any year during which surveys were conducted, 3 of which are priority species. The data yielded robust occupancy estimates (CV < 50%) for 35 species.
Idaho Panhandle National Forest
We obtained results for Idaho Panhandle National Forest by compiling and jointly analyzing data from two strata.
Field technicians completed all planned surveys (100%) in 2023. Technicians conducted 277 point counts within the 26 surveyed grid cells between June 5 and July 15. They detected 74 bird species, including 5 priority species.
Bird Conservancy estimated densities and population sizes for 118 species that were detected in any year during which surveys were conducted, 9 of which are priority species. The data yielded robust density estimates (CV < 50%) for 44 species.
Bird Conservancy estimated the proportion of 1 km² grid cells occupied (Ψ, Psi) throughout Idaho Panhandle National Forest for 121 species that were detected in any year during which surveys were conducted, 9 of which are priority species. The data yielded robust occupancy estimates (CV < 50%) for 47 species.
Kootenai National Forest
We obtained results for Kootenai National Forest by compiling and jointly analyzing data from three strata.
Field technicians completed all planned surveys (100%) in 2023. Technicians conducted 303 point counts within the 30 surveyed grid cells between May 30 and July 13. They detected 83 bird species, including 5 priority species.
Bird Conservancy estimated densities and population sizes for 136 species that were detected in any year during which surveys were conducted, 10 of which are priority species. The data yielded robust density estimates (CV < 50%) for 39 species.
Bird Conservancy estimated the proportion of 1 km² grid cells occupied (Ψ, Psi) throughout Kootenai National Forest for 143 species that were detected in any year during which surveys were conducted, 10 of which are priority species. The data yielded robust occupancy estimates (CV < 50%) for 40 species.
Lewis and Clark National Forest
We obtained results for Lewis and Clark National Forest by compiling and jointly analyzing data from three strata.
Field technicians completed all planned surveys (100%) in 2023. Technicians conducted 170 point counts within the 13 surveyed grid cells between June 16 and July 14. They detected 71 bird species, including 2 priority species.
Bird Conservancy estimated densities and population sizes for 126 species that were detected in any year during which surveys were conducted, 5 of which are priority species. The data yielded robust density estimates (CV < 50%) for 22 species.
Bird Conservancy estimated the proportion of 1 km² grid cells occupied (Ψ, Psi) throughout Lewis and Clark National Forest for 127 species that were detected in any year during which surveys were conducted, 5 of which are priority species. The data yielded robust occupancy estimates (CV < 50%) for 23 species.
Lolo National Forest
We obtained results for Lolo National Forest by compiling and jointly analyzing data from two strata.
Field technicians completed all planned surveys (100%) in 2023. Technicians conducted 125 point counts within the 11 surveyed grid cells between June 16 and July 15. They detected 80 bird species, including 1 priority species.
Bird Conservancy estimated densities and population sizes for 132 species that were detected in any year during which surveys were conducted, 5 of which are priority species. The data yielded robust density estimates (CV < 50%) for 34 species.
Bird Conservancy estimated the proportion of 1 km² grid cells occupied (Ψ, Psi) throughout Lolo National Forest for 132 species that were detected in any year during which surveys were conducted, 5 of which are priority species. The data yielded robust occupancy estimates (CV < 50%) for 38 species.
Nez Perce National Forest
We obtained results for Nez Perce National Forest by compiling and jointly analyzing data from two strata.
Field technicians completed 9 of 10 planned surveys (90%) in 2023. Technicians conducted 92 point counts within the 9 surveyed grid cells between June 9 and July 14. They detected 61 bird species, including 1 priority species.
Bird Conservancy estimated densities and population sizes for 111 species that were detected in any year during which surveys were conducted, 6 of which are priority species. The data yielded robust density estimates (CV < 50%) for 18 species.
Bird Conservancy estimated the proportion of 1 km² grid cells occupied (Ψ, Psi) throughout Nez Perce National Forest for 112 species that were detected in any year during which surveys were conducted, 6 of which are priority species. The data yielded robust occupancy estimates (CV < 50%) for 19 species.
Region 1 National Grasslands
Region 1 National Grasslands: Total
We obtained results for Region 1 National Grasslands: Total by compiling and jointly analyzing data from three strata.
Field technicians completed 16 of 17 planned surveys (94%) in 2023. Technicians conducted 182 point counts within the 16 surveyed grid cells between May 24 and July 7. They detected 88 bird species, including 5 priority species.
Bird Conservancy estimated densities and population sizes for 126 species that were detected in any year during which surveys were conducted, 7 of which are priority species. The data yielded robust density estimates (CV < 50%) for 26 species.
Bird Conservancy estimated the proportion of 1 km² grid cells occupied (Ψ, Psi) throughout Region 1 National Grasslands: Total for 127 species that were detected in any year during which surveys were conducted, 7 of which are priority species. The data yielded robust occupancy estimates (CV < 50%) for 29 species.
Little Missouri National Grassland
We obtained results for Little Missouri National Grassland by compiling and analyzing data from one stratum.
Field technicians completed all planned surveys (100%) in 2023. Technicians conducted 66 point counts within the 6 surveyed grid cells between June 8 and July 1. They detected 60 bird species, including 12 priority species.
Bird Conservancy estimated densities and population sizes for 101 species that were detected in any year during which surveys were conducted, 0 of which are priority species. The data yielded robust density estimates (CV < 50%) for 23 species.
Bird Conservancy estimated the proportion of 1 km² grid cells occupied (Ψ, Psi) throughout Little Missouri National Grassland for 101 species that were detected in any year during which surveys were conducted, 0 of which are priority species. The data yielded robust occupancy estimates (CV < 50%) for 24 species.
Cedar River National Grassland
We obtained results for Cedar River National Grassland by compiling and analyzing data from one stratum.
Field technicians completed 4 of 5 planned surveys (80%) in 2023. Technicians conducted 34 point counts within the 4 surveyed grid cells between June 11 and July 7. They detected 29 bird species, including 10 priority species.
Bird Conservancy estimated densities and population sizes for 77 species that were detected in any year during which surveys were conducted, 6 of which are priority species. The data yielded robust density estimates (CV < 50%) for 11 species.
Bird Conservancy estimated the proportion of 1 km² grid cells occupied (Ψ, Psi) throughout Cedar River National Grassland for 78 species that were detected in any year during which surveys were conducted, 6 of which are priority species. The data yielded robust occupancy estimates (CV < 50%) for 11 species.
Grand River National Grassland
We obtained results for Grand River National Grassland by compiling and analyzing data from one stratum.
Field technicians completed all planned surveys (100%) in 2023. Technicians conducted 82 point counts within the 6 surveyed grid cells between May 24 and June 10. They detected 51 bird species, including 12 priority species.
Bird Conservancy estimated densities and population sizes for 76 species that were detected in any year during which surveys were conducted, 0 of which are priority species. The data yielded robust density estimates (CV < 50%) for 14 species.
Bird Conservancy estimated the proportion of 1 km² grid cells occupied (Ψ, Psi) throughout Grand River National Grassland for 76 species that were detected in any year during which surveys were conducted, 0 of which are priority species. The data yielded robust occupancy estimates (CV < 50%) for 15 species.
8.2 Region 2
Region 2 National Forests
Region 2 National Forests: Total
We obtained results for Region 2 National Forests: Total by compiling and jointly analyzing data from 22 strata.
Field technicians completed 157 of 163 planned surveys (96%) in 2023. Technicians conducted 1702 point counts within the 157 surveyed grid cells between May 24 and July 24. They detected 170 bird species, including 13 priority species.
Bird Conservancy estimated densities and population sizes for 219 species that were detected in any year during which surveys were conducted, 24 of which are priority species. The data yielded robust density estimates (CV < 50%) for 109 species.
Bird Conservancy estimated the proportion of 1 km² grid cells occupied (Ψ, Psi) throughout Region 2 National Forests: Total for 225 species that were detected in any year during which surveys were conducted, 24 of which are priority species. The data yielded robust occupancy estimates (CV < 50%) for 120 species.
Arapaho and Roosevelt National Forests
We obtained results for Arapaho and Roosevelt National Forests by compiling and analyzing data from one stratum.
Field technicians completed all planned surveys (100%) in 2023. Technicians conducted 202 point counts within the 20 surveyed grid cells between June 1 and July 23. They detected 80 bird species, including 11 priority species.
Bird Conservancy estimated densities and population sizes for 107 species that were detected in any year during which surveys were conducted, 7 of which are priority species. The data yielded robust density estimates (CV < 50%) for 37 species.
Bird Conservancy estimated the proportion of 1 km² grid cells occupied (Ψ, Psi) throughout Arapaho and Roosevelt National Forests for 107 species that were detected in any year during which surveys were conducted, 7 of which are priority species. The data yielded robust occupancy estimates (CV < 50%) for 37 species.
Bighorn National Forest
We obtained results for Bighorn National Forest by compiling and analyzing data from one stratum.
Field technicians completed all planned surveys (100%) in 2023. Technicians conducted 101 point counts within the 9 surveyed grid cells between June 12 and July 21. They detected 61 bird species, including 7 priority species.
Bird Conservancy estimated densities and population sizes for 100 species that were detected in any year during which surveys were conducted, 5 of which are priority species. The data yielded robust density estimates (CV < 50%) for 19 species.
Bird Conservancy estimated the proportion of 1 km² grid cells occupied (Ψ, Psi) throughout Bighorn National Forest for 100 species that were detected in any year during which surveys were conducted, 5 of which are priority species. The data yielded robust occupancy estimates (CV < 50%) for 20 species.
Black Hills National Forest
We obtained results for Black Hills National Forest by compiling and jointly analyzing data from two strata.
Field technicians completed 11 of 14 planned surveys (79%) in 2023. Technicians conducted 111 point counts within the 11 surveyed grid cells between May 24 and July 12. They detected 63 bird species, including 3 priority species.
Bird Conservancy estimated densities and population sizes for 98 species that were detected in any year during which surveys were conducted, 8 of which are priority species. The data yielded robust density estimates (CV < 50%) for 24 species.
Bird Conservancy estimated the proportion of 1 km² grid cells occupied (Ψ, Psi) throughout Black Hills National Forest for 100 species that were detected in any year during which surveys were conducted, 9 of which are priority species. The data yielded robust occupancy estimates (CV < 50%) for 26 species.
Grand Mesa, Uncompaghre and Gunnison National Forests
We obtained results for Grand Mesa, Uncompaghre and Gunnison National Forests by compiling and analyzing data from one stratum.
Field technicians completed all planned surveys (100%) in 2023. Technicians conducted 74 point counts within the 7 surveyed grid cells between June 14 and July 24. They detected 52 bird species, including 3 priority species.
Bird Conservancy estimated densities and population sizes for 105 species that were detected in any year during which surveys were conducted, 6 of which are priority species. The data yielded robust density estimates (CV < 50%) for 20 species.
Bird Conservancy estimated the proportion of 1 km² grid cells occupied (Ψ, Psi) throughout Grand Mesa, Uncompaghre and Gunnison National Forests for 106 species that were detected in any year during which surveys were conducted, 6 of which are priority species. The data yielded robust occupancy estimates (CV < 50%) for 20 species.
Medicine Bow National Forest
We obtained results for Medicine Bow National Forest by compiling and jointly analyzing data from two strata.
Field technicians completed all planned surveys (100%) in 2023. Technicians conducted 170 point counts within the 17 surveyed grid cells between June 11 and July 20. They detected 92 bird species, including 5 priority species.
Bird Conservancy estimated densities and population sizes for 138 species that were detected in any year during which surveys were conducted, 6 of which are priority species. The data yielded robust density estimates (CV < 50%) for 34 species.
Bird Conservancy estimated the proportion of 1 km² grid cells occupied (Ψ, Psi) throughout Medicine Bow National Forest for 137 species that were detected in any year during which surveys were conducted, 6 of which are priority species. The data yielded robust occupancy estimates (CV < 50%) for 35 species.
Nebraska National Forests (Nebraska and Samuel R. McKelvie)
We obtained results for Nebraska National Forests (Nebraska and Samuel R. McKelvie) by compiling and jointly analyzing data from three strata.
Field technicians completed 10 of 12 planned surveys (83%) in 2023. Technicians conducted 116 point counts within the 10 surveyed grid cells between May 30 and June 29. They detected 60 bird species, including 1 priority species.
Bird Conservancy estimated densities and population sizes for NA species that were detected in any year during which surveys were conducted, NA of which are priority species. The data yielded robust density estimates (CV < 50%) for NA species.
Bird Conservancy estimated the proportion of 1 km² grid cells occupied (Ψ, Psi) throughout Nebraska National Forests (Nebraska and Samuel R. McKelvie) for NA species that were detected in any year during which surveys were conducted, NA of which are priority species. The data yielded robust occupancy estimates (CV < 50%) for NA species.
Pike and San Isabel National Forests
We obtained results for Pike and San Isabel National Forests by compiling and analyzing data from one stratum.
Field technicians completed all planned surveys (100%) in 2023. Technicians conducted 103 point counts within the 9 surveyed grid cells between June 8 and July 12. They detected 65 bird species, including 4 priority species.
Bird Conservancy estimated densities and population sizes for 96 species that were detected in any year during which surveys were conducted, 0 of which are priority species. The data yielded robust density estimates (CV < 50%) for 24 species.
Bird Conservancy estimated the proportion of 1 km² grid cells occupied (Ψ, Psi) throughout Pike and San Isabel National Forests for 96 species that were detected in any year during which surveys were conducted, 0 of which are priority species. The data yielded robust occupancy estimates (CV < 50%) for 25 species.
Rio Grande National Forest
We obtained results for Rio Grande National Forest by compiling and jointly analyzing data from three strata.
Field technicians completed 11 of 12 planned surveys (92%) in 2023. Technicians conducted 137 point counts within the 11 surveyed grid cells between June 22 and July 20. They detected 72 bird species, including 6 priority species.
Bird Conservancy estimated densities and population sizes for 126 species that were detected in any year during which surveys were conducted, 6 of which are priority species. The data yielded robust density estimates (CV < 50%) for 33 species.
Bird Conservancy estimated the proportion of 1 km² grid cells occupied (Ψ, Psi) throughout Rio Grande National Forest for 126 species that were detected in any year during which surveys were conducted, 6 of which are priority species. The data yielded robust occupancy estimates (CV < 50%) for 36 species.
Routt National Forest
We obtained results for Routt National Forest by compiling and jointly analyzing data from two strata.
Field technicians completed all planned surveys (100%) in 2023. Technicians conducted 147 point counts within the 15 surveyed grid cells between June 24 and July 20. They detected 78 bird species, including 3 priority species.
Bird Conservancy estimated densities and population sizes for 119 species that were detected in any year during which surveys were conducted, 3 of which are priority species. The data yielded robust density estimates (CV < 50%) for 34 species.
Bird Conservancy estimated the proportion of 1 km² grid cells occupied (Ψ, Psi) throughout Routt National Forest for 122 species that were detected in any year during which surveys were conducted, 3 of which are priority species. The data yielded robust occupancy estimates (CV < 50%) for 34 species.
San Juan National Forest
We obtained results for San Juan National Forest by compiling and analyzing data from one stratum.
Field technicians completed all planned surveys (100%) in 2023. Technicians conducted 184 point counts within the 17 surveyed grid cells between June 10 and July 21. They detected 96 bird species, including 10 priority species.
Bird Conservancy estimated densities and population sizes for 123 species that were detected in any year during which surveys were conducted, 5 of which are priority species. The data yielded robust density estimates (CV < 50%) for 42 species.
Bird Conservancy estimated the proportion of 1 km² grid cells occupied (Ψ, Psi) throughout San Juan National Forest for 124 species that were detected in any year during which surveys were conducted, 5 of which are priority species. The data yielded robust occupancy estimates (CV < 50%) for 44 species.
Shoshone National Forest
We obtained results for Shoshone National Forest by compiling and jointly analyzing data from two strata.
Field technicians completed all planned surveys (100%) in 2023. Technicians conducted 143 point counts within the 10 surveyed grid cells between June 25 and July 20. They detected 72 bird species, including 4 priority species.
Bird Conservancy estimated densities and population sizes for 142 species that were detected in any year during which surveys were conducted, 5 of which are priority species. The data yielded robust density estimates (CV < 50%) for 18 species.
Bird Conservancy estimated the proportion of 1 km² grid cells occupied (Ψ, Psi) throughout Shoshone National Forest for 145 species that were detected in any year during which surveys were conducted, 5 of which are priority species. The data yielded robust occupancy estimates (CV < 50%) for 18 species.
White River National Forest
We obtained results for White River National Forest by compiling and jointly analyzing data from three strata.
Field technicians completed all planned surveys (100%) in 2023. Technicians conducted 214 point counts within the 21 surveyed grid cells between June 22 and July 19. They detected 83 bird species, including 5 priority species.
Bird Conservancy estimated densities and population sizes for 121 species that were detected in any year during which surveys were conducted, 6 of which are priority species. The data yielded robust density estimates (CV < 50%) for 47 species.
Bird Conservancy estimated the proportion of 1 km² grid cells occupied (Ψ, Psi) throughout White River National Forest for 122 species that were detected in any year during which surveys were conducted, 6 of which are priority species. The data yielded robust occupancy estimates (CV < 50%) for 54 species.
Region 2 National Grasslands
Region 2 National Grasslands: Total
We obtained results for Region 2 National Grasslands: Total by compiling and jointly analyzing data from seven strata.
Field technicians completed 35 of 37 planned surveys (95%) in 2023. Technicians conducted 400 point counts within the 35 surveyed grid cells between May 9 and July 7. They detected 105 bird species, including 12 priority species.
Bird Conservancy estimated densities and population sizes for NA species that were detected in any year during which surveys were conducted, NA of which are priority species. The data yielded robust density estimates (CV < 50%) for NA species.
Bird Conservancy estimated the proportion of 1 km² grid cells occupied (Ψ, Psi) throughout Region 2 National Grasslands: Total for NA species that were detected in any year during which surveys were conducted, NA of which are priority species. The data yielded robust occupancy estimates (CV < 50%) for NA species.
Nebraska National Grasslands (Buffalo Gap, Fort Pierre and Oglala)
We obtained results for Nebraska National Grasslands (Buffalo Gap, Fort Pierre and Oglala) by compiling and jointly analyzing data from four strata.
Field technicians completed 16 of 18 planned surveys (89%) in 2023. Technicians conducted 189 point counts within the 16 surveyed grid cells between May 24 and July 7. They detected 78 bird species, including 8 priority species.
Bird Conservancy estimated densities and population sizes for 136 species that were detected in any year during which surveys were conducted, 13 of which are priority species. The data yielded robust density estimates (CV < 50%) for 11 species.
Bird Conservancy estimated the proportion of 1 km² grid cells occupied (Ψ, Psi) throughout Nebraska National Grasslands (Buffalo Gap, Fort Pierre and Oglala) for 136 species that were detected in any year during which surveys were conducted, 13 of which are priority species. The data yielded robust occupancy estimates (CV < 50%) for 15 species.
Cimarron National Grassland
We obtained results for Cimarron National Grassland by compiling and analyzing data from one stratum.
Field technicians completed all planned surveys (100%) in 2023. Technicians conducted 41 point counts within the 4 surveyed grid cells between May 9 and May 10. They detected 36 bird species, including 13 priority species.
Bird Conservancy estimated densities and population sizes for 43 species that were detected in any year during which surveys were conducted, 1 of which are priority species. The data yielded robust density estimates (CV < 50%) for 6 species.
Bird Conservancy estimated the proportion of 1 km² grid cells occupied (Ψ, Psi) throughout Cimarron National Grassland for 44 species that were detected in any year during which surveys were conducted, 1 of which are priority species. The data yielded robust occupancy estimates (CV < 50%) for 6 species.
Comanche National Grassland
We obtained results for Comanche National Grassland by compiling and analyzing data from one stratum.
Field technicians completed all planned surveys (100%) in 2023. Technicians conducted 69 point counts within the 7 surveyed grid cells between May 24 and June 3. They detected 29 bird species, including 6 priority species.
Bird Conservancy estimated densities and population sizes for 93 species that were detected in any year during which surveys were conducted, 2 of which are priority species. The data yielded robust density estimates (CV < 50%) for 7 species.
Bird Conservancy estimated the proportion of 1 km² grid cells occupied (Ψ, Psi) throughout Comanche National Grassland for 91 species that were detected in any year during which surveys were conducted, 1 of which are priority species. The data yielded robust occupancy estimates (CV < 50%) for 8 species.
Public Lands on Pawnee National Grassland
We obtained results for Public Lands on Pawnee National Grassland by compiling and analyzing data from one stratum.
Field technicians completed all planned surveys (100%) in 2023. Technicians conducted 101 point counts within the 8 surveyed grid cells between May 17 and June 3. They detected 30 bird species, including 11 priority species.
Bird Conservancy estimated densities and population sizes for 46 species that were detected in any year during which surveys were conducted, 2 of which are priority species. The data yielded robust density estimates (CV < 50%) for 7 species.
Bird Conservancy estimated the proportion of 1 km² grid cells occupied (Ψ, Psi) throughout Public Lands on Pawnee National Grassland for 46 species that were detected in any year during which surveys were conducted, 2 of which are priority species. The data yielded robust occupancy estimates (CV < 50%) for 7 species.
Thunder Basin National Grassland
We obtained results for Thunder Basin National Grassland by compiling and analyzing data from one stratum.
Field technicians completed all planned surveys (100%) in 2023. Technicians conducted 99 point counts within the 8 surveyed grid cells between May 25 and June 14. They detected 50 bird species, including 18 priority species.
Bird Conservancy estimated densities and population sizes for 102 species that were detected in any year during which surveys were conducted, 2 of which are priority species. The data yielded robust density estimates (CV < 50%) for 10 species.
Bird Conservancy estimated the proportion of 1 km² grid cells occupied (Ψ, Psi) throughout Thunder Basin National Grassland for 103 species that were detected in any year during which surveys were conducted, 2 of which are priority species. The data yielded robust occupancy estimates (CV < 50%) for 10 species.
8.3 Region 3
Region 3 National Forests
Coronado National Forest
We obtained results for Coronado National Forest by compiling and jointly analyzing data from two strata.
Field technicians completed all planned surveys (100%) in 2023. Technicians conducted 197 point counts within the 20 surveyed grid cells between May 5 and June 9. They detected 124 bird species, including 25 priority species.
Bird Conservancy estimated densities and population sizes for 135 species that were detected in any year during which surveys were conducted, 28 of which are priority species. The data yielded robust density estimates (CV < 50%) for 47 species.
Bird Conservancy estimated the proportion of 1 km² grid cells occupied (Ψ, Psi) throughout Coronado National Forest for 141 species that were detected in any year during which surveys were conducted, 30 of which are priority species. The data yielded robust occupancy estimates (CV < 50%) for 52 species.
Kaibab National Forest
We obtained results for Kaibab National Forest by compiling and jointly analyzing data from two strata.
Field technicians completed all planned surveys (100%) in 2023. Technicians conducted 451 point counts within the 38 surveyed grid cells between May 2 and June 22. They detected 110 bird species, including 3 priority species.
Bird Conservancy estimated densities and population sizes for 135 species that were detected in any year during which surveys were conducted, 3 of which are priority species. The data yielded robust density estimates (CV < 50%) for 61 species.
Bird Conservancy estimated the proportion of 1 km² grid cells occupied (Ψ, Psi) throughout Kaibab National Forest for 137 species that were detected in any year during which surveys were conducted, 3 of which are priority species. The data yielded robust occupancy estimates (CV < 50%) for 65 species.
8.4 Region 4
Region 4 National Forests
Region 4 National Forest Total
We obtained results for Region 4 National Forest Total by compiling and jointly analyzing data from 36 strata.
Field technicians completed 145 of 147 planned surveys (99%) in 2023. Technicians conducted 1394 point counts within the 145 surveyed grid cells between May 20 and July 19. They detected 175 bird species, including 5 priority species.
Bird Conservancy estimated densities and population sizes for 211 species that were detected in any year during which surveys were conducted, 10 of which are priority species. The data yielded robust density estimates (CV < 50%) for 116 species.
Bird Conservancy estimated the proportion of 1 km² grid cells occupied (Ψ, Psi) throughout Region 4 National Forest Total for 217 species that were detected in any year during which surveys were conducted, 11 of which are priority species. The data yielded robust occupancy estimates (CV < 50%) for 121 species.
Ashley National Forest
We obtained results for Ashley National Forest by compiling and jointly analyzing data from three strata.
Field technicians completed all planned surveys (100%) in 2023. Technicians conducted 118 point counts within the 10 surveyed grid cells between May 28 and July 12. They detected 63 bird species, including 3 priority species.
Bird Conservancy estimated densities and population sizes for 119 species that were detected in any year during which surveys were conducted, 8 of which are priority species. The data yielded robust density estimates (CV < 50%) for 13 species.
Bird Conservancy estimated the proportion of 1 km² grid cells occupied (Ψ, Psi) throughout Ashley National Forest for 119 species that were detected in any year during which surveys were conducted, 8 of which are priority species. The data yielded robust occupancy estimates (CV < 50%) for 14 species.
Boise National Forest
We obtained results for Boise National Forest by compiling and jointly analyzing data from two strata.
Field technicians completed all planned surveys (100%) in 2023. Technicians conducted 97 point counts within the 11 surveyed grid cells between June 23 and July 12. They detected 80 bird species, including 4 priority species.
Bird Conservancy estimated densities and population sizes for 113 species that were detected in any year during which surveys were conducted, 7 of which are priority species. The data yielded robust density estimates (CV < 50%) for 34 species.
Bird Conservancy estimated the proportion of 1 km² grid cells occupied (Ψ, Psi) throughout Boise National Forest for 113 species that were detected in any year during which surveys were conducted, 7 of which are priority species. The data yielded robust occupancy estimates (CV < 50%) for 36 species.
Bridger-Teton National Forest
We obtained results for Bridger-Teton National Forest by compiling and jointly analyzing data from two strata.
Field technicians completed all planned surveys (100%) in 2023. Technicians conducted 113 point counts within the 10 surveyed grid cells between June 28 and July 19. They detected 75 bird species, including 1 priority species.
Bird Conservancy estimated densities and population sizes for 129 species that were detected in any year during which surveys were conducted, 6 of which are priority species. The data yielded robust density estimates (CV < 50%) for 17 species.
Bird Conservancy estimated the proportion of 1 km² grid cells occupied (Ψ, Psi) throughout Bridger-Teton National Forest for 131 species that were detected in any year during which surveys were conducted, 7 of which are priority species. The data yielded robust occupancy estimates (CV < 50%) for 19 species.
Caribou-Targhee National Forest
We obtained results for Caribou-Targhee National Forest by compiling and jointly analyzing data from six strata.
Field technicians completed all planned surveys (100%) in 2023. Technicians conducted 148 point counts within the 14 surveyed grid cells between June 2 and July 14. They detected 97 bird species, including 0 priority species.
Bird Conservancy estimated densities and population sizes for 152 species that were detected in any year during which surveys were conducted, 3 of which are priority species. The data yielded robust density estimates (CV < 50%) for 27 species.
Bird Conservancy estimated the proportion of 1 km² grid cells occupied (Ψ, Psi) throughout Caribou-Targhee National Forest for 155 species that were detected in any year during which surveys were conducted, 3 of which are priority species. The data yielded robust occupancy estimates (CV < 50%) for 29 species.
Dixie National Forest
We obtained results for Dixie National Forest by compiling and jointly analyzing data from two strata.
Field technicians completed all planned surveys (100%) in 2023. Technicians conducted 104 point counts within the 10 surveyed grid cells between May 20 and July 2. They detected 77 bird species, including 0 priority species.
Bird Conservancy estimated densities and population sizes for 113 species that were detected in any year during which surveys were conducted, 0 of which are priority species. The data yielded robust density estimates (CV < 50%) for 28 species.
Bird Conservancy estimated the proportion of 1 km² grid cells occupied (Ψ, Psi) throughout Dixie National Forest for 113 species that were detected in any year during which surveys were conducted, 0 of which are priority species. The data yielded robust occupancy estimates (CV < 50%) for 31 species.
Fishlake National Forest
We obtained results for Fishlake National Forest by compiling and jointly analyzing data from two strata.
Field technicians completed all planned surveys (100%) in 2023. Technicians conducted 101 point counts within the 10 surveyed grid cells between May 24 and July 3. They detected 69 bird species, including 0 priority species.
Bird Conservancy estimated densities and population sizes for 105 species that were detected in any year during which surveys were conducted, 0 of which are priority species. The data yielded robust density estimates (CV < 50%) for 34 species.
Bird Conservancy estimated the proportion of 1 km² grid cells occupied (Ψ, Psi) throughout Fishlake National Forest for 106 species that were detected in any year during which surveys were conducted, 0 of which are priority species. The data yielded robust occupancy estimates (CV < 50%) for 36 species.
Humboldt-Toiyabe National Forest
We obtained results for Humboldt-Toiyabe National Forest by compiling and jointly analyzing data from five strata.
Field technicians completed all planned surveys (100%) in 2023. Technicians conducted 179 point counts within the 19 surveyed grid cells between May 26 and July 8. They detected 101 bird species, including 4 priority species.
Bird Conservancy estimated densities and population sizes for 130 species that were detected in any year during which surveys were conducted, 4 of which are priority species. The data yielded robust density estimates (CV < 50%) for 30 species.
Bird Conservancy estimated the proportion of 1 km² grid cells occupied (Ψ, Psi) throughout Humboldt-Toiyabe National Forest for 133 species that were detected in any year during which surveys were conducted, 5 of which are priority species. The data yielded robust occupancy estimates (CV < 50%) for 31 species.
Manti-La Sal National Forest
We obtained results for Manti-La Sal National Forest by compiling and jointly analyzing data from three strata.
Field technicians completed 13 of 14 planned surveys (93%) in 2023. Technicians conducted 111 point counts within the 13 surveyed grid cells between June 7 and July 7. They detected 75 bird species, including 0 priority species.
Bird Conservancy estimated densities and population sizes for 145 species that were detected in any year during which surveys were conducted, 4 of which are priority species. The data yielded robust density estimates (CV < 50%) for 23 species.
Bird Conservancy estimated the proportion of 1 km² grid cells occupied (Ψ, Psi) throughout Manti-La Sal National Forest for 145 species that were detected in any year during which surveys were conducted, 4 of which are priority species. The data yielded robust occupancy estimates (CV < 50%) for 26 species.
Payette National Forest
We obtained results for Payette National Forest by compiling and analyzing data from one stratum.
Field technicians completed all planned surveys (100%) in 2023. Technicians conducted 89 point counts within the 11 surveyed grid cells between July 1 and July 15. They detected 72 bird species, including 0 priority species.
Bird Conservancy estimated densities and population sizes for 115 species that were detected in any year during which surveys were conducted, 7 of which are priority species. The data yielded robust density estimates (CV < 50%) for 23 species.
Bird Conservancy estimated the proportion of 1 km² grid cells occupied (Ψ, Psi) throughout Payette National Forest for 116 species that were detected in any year during which surveys were conducted, 7 of which are priority species. The data yielded robust occupancy estimates (CV < 50%) for 26 species.
Salmon-Challis National Forest
We obtained results for Salmon-Challis National Forest by compiling and jointly analyzing data from two strata.
Field technicians completed all planned surveys (100%) in 2023. Technicians conducted 94 point counts within the 11 surveyed grid cells between June 20 and July 14. They detected 55 bird species, including 5 priority species.
Bird Conservancy estimated densities and population sizes for 117 species that were detected in any year during which surveys were conducted, 7 of which are priority species. The data yielded robust density estimates (CV < 50%) for 26 species.
Bird Conservancy estimated the proportion of 1 km² grid cells occupied (Ψ, Psi) throughout Salmon-Challis National Forest for 117 species that were detected in any year during which surveys were conducted, 7 of which are priority species. The data yielded robust occupancy estimates (CV < 50%) for 28 species.
Sawtooth National Forest
We obtained results for Sawtooth National Forest by compiling and jointly analyzing data from three strata.
Field technicians completed all planned surveys (100%) in 2023. Technicians conducted 105 point counts within the 12 surveyed grid cells between June 11 and July 14. They detected 75 bird species, including 2 priority species.
Bird Conservancy estimated densities and population sizes for 128 species that were detected in any year during which surveys were conducted, 2 of which are priority species. The data yielded robust density estimates (CV < 50%) for 31 species.
Bird Conservancy estimated the proportion of 1 km² grid cells occupied (Ψ, Psi) throughout Sawtooth National Forest for 128 species that were detected in any year during which surveys were conducted, 2 of which are priority species. The data yielded robust occupancy estimates (CV < 50%) for 31 species.
Uinta-Wasatch-Cache National Forest
We obtained results for Uinta-Wasatch-Cache National Forest by compiling and jointly analyzing data from five strata.
Field technicians completed 14 of 15 planned surveys (93%) in 2023. Technicians conducted 135 point counts within the 14 surveyed grid cells between May 31 and July 17. They detected 81 bird species, including 0 priority species.
Bird Conservancy estimated densities and population sizes for 124 species that were detected in any year during which surveys were conducted, 0 of which are priority species. The data yielded robust density estimates (CV < 50%) for 19 species.
Bird Conservancy estimated the proportion of 1 km² grid cells occupied (Ψ, Psi) throughout Uinta-Wasatch-Cache National Forest for 125 species that were detected in any year during which surveys were conducted, 0 of which are priority species. The data yielded robust occupancy estimates (CV < 50%) for 22 species.
Curlew National Grassland
We obtained results for Curlew National Grassland by compiling and analyzing data from one stratum.
Field technicians completed all planned surveys (100%) in 2023. Technicians conducted 58 point counts within the 5 surveyed grid cells between May 30 and June 1. They detected 38 bird species, including 7 priority species.
Bird Conservancy estimated densities and population sizes for 78 species that were detected in any year during which surveys were conducted, 0 of which are priority species. The data yielded robust density estimates (CV < 50%) for 7 species.
Bird Conservancy estimated the proportion of 1 km² grid cells occupied (Ψ, Psi) throughout Curlew National Grassland for 78 species that were detected in any year during which surveys were conducted, 0 of which are priority species. The data yielded robust occupancy estimates (CV < 50%) for 7 species.