11 National Park Service
11.1 Greater Yellowstone Network
Greater Yellowstone Network: Total
We obtained results for Greater Yellowstone Network: Total by compiling and jointly analyzing data from three strata.
Field technicians completed all planned surveys (100%) in 2023. Technicians conducted 162 point counts within the 12 surveyed grid cells between May 30 and July 20. They detected 90 bird species, including 0 priority species.
Bird Conservancy estimated densities and population sizes for 130 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 26 species.
Bird Conservancy estimated the proportion of 1 km² grid cells occupied (Ψ, Psi) throughout Greater Yellowstone Network: Total for 132 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 29 species.
Bighorn Canyon National Recreation Area
We obtained results for Bighorn Canyon National Recreation Area by compiling and analyzing data from one stratum.
Field technicians completed both planned surveys (100%) in 2023. Technicians conducted 22 point counts within the 2 surveyed grid cells between May 30 and May 31. They detected 29 bird species, including 8 priority species.
Bird Conservancy estimated densities and population sizes for 65 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 4 species.
Bird Conservancy estimated the proportion of 1 km² grid cells occupied (Ψ, Psi) throughout Bighorn Canyon National Recreation Area for 67 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 4 species.
Grand Teton National Park
We obtained results for Grand Teton National Park by compiling and analyzing data from one stratum.
Field technicians completed all planned surveys (100%) in 2023. Technicians conducted 46 point counts within the 3 surveyed grid cells between June 7 and July 6. They detected 56 bird species, including 8 priority species.
Bird Conservancy estimated densities and population sizes for 85 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 18 species.
Bird Conservancy estimated the proportion of 1 km² grid cells occupied (Ψ, Psi) throughout Grand Teton National Park for 85 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 18 species.
Yellowstone National Park
We obtained results for Yellowstone National Park by compiling and analyzing data from one stratum.
Field technicians completed all planned surveys (100%) in 2023. Technicians conducted 94 point counts within the 7 surveyed grid cells between July 8 and July 20. They detected 62 bird species, including 6 priority species.
Bird Conservancy estimated densities and population sizes for 88 species that were detected in any year during which surveys were conducted, 12 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 Yellowstone National Park for 88 species that were detected in any year during which surveys were conducted, 12 of which are priority species. The data yielded robust occupancy estimates (CV < 50%) for 20 species.
11.2 Northern Colorado Plateau Network
Northern Colorado Plateau Network in Colorado
We obtained results for Northern Colorado Plateau Network in Colorado by compiling and analyzing data from one stratum.
Field technicians completed both planned surveys (100%) in 2023. Technicians conducted 18 point counts within the 2 surveyed grid cells between May 30 and June 28. They detected 22 bird species, including 4 priority species.
Bird Conservancy estimated densities and population sizes for 74 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 1 species.
Bird Conservancy estimated the proportion of 1 km² grid cells occupied (Ψ, Psi) throughout Northern Colorado Plateau Network in Colorado for 74 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 2 species.
11.3 Northern Great Plains Network
Agate Fossil Beds National Monument
We obtained results for Agate Fossil Beds National Monument by compiling and analyzing data from one stratum.
Field technicians completed all planned surveys (100%) in 2023. Technicians conducted 38 point counts within the 4 surveyed grid cells between June 9 and June 28. They detected 39 bird species, including 5 priority species.
Bird Conservancy estimated densities and population sizes for 93 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 11 species.
Bird Conservancy estimated the proportion of 1 km² grid cells occupied (Ψ, Psi) throughout Agate Fossil Beds National Monument for 94 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 11 species.
Badlands National Park - North Unit
We obtained results for Badlands National Park - North Unit by compiling and analyzing data from one stratum.
Field technicians completed all planned surveys (100%) in 2023. Technicians conducted 71 point counts within the 6 surveyed grid cells between May 23 and June 10. They detected 45 bird species, including 5 priority species.
Bird Conservancy estimated densities and population sizes for 97 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 9 species.
Bird Conservancy estimated the proportion of 1 km² grid cells occupied (Ψ, Psi) throughout Badlands National Park - North Unit for 98 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 12 species.
Jewel Cave National Monument
We obtained results for Jewel Cave National Monument by compiling and analyzing data from one stratum.
Field technicians completed all planned surveys (100%) in 2023. Technicians conducted 39 point counts within the 4 surveyed grid cells between July 10 and July 12. They detected 42 bird species, including 2 priority species.
Bird Conservancy estimated densities and population sizes for 88 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 20 species.
Bird Conservancy estimated the proportion of 1 km² grid cells occupied (Ψ, Psi) throughout Jewel Cave National Monument for 88 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 19 species.
Knife River Indian Villages National Historic Site
We obtained results for Knife River Indian Villages National Historic Site by compiling and analyzing data from one stratum.
Field technicians completed all planned surveys (100%) in 2023. Technicians conducted 44 point counts within the 5 surveyed grid cells between June 7 and June 25. They detected 69 bird species, including 10 priority species.
Bird Conservancy estimated densities and population sizes for 110 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 26 species.
Bird Conservancy estimated the proportion of 1 km² grid cells occupied (Ψ, Psi) throughout Knife River Indian Villages National Historic Site for 114 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 28 species.
Missouri National Recreational River
We obtained results for Missouri National Recreational River 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 12 surveyed grid cells between May 25 and June 17. They detected 95 bird species, including 0 priority species.
Bird Conservancy estimated densities and population sizes for 121 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 47 species.
Bird Conservancy estimated the proportion of 1 km² grid cells occupied (Ψ, Psi) throughout Missouri National Recreational River for 124 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 53 species.
Missouri National Recreational River - 59 Mile District
We obtained results for Missouri National Recreational River - 59 Mile District by compiling and analyzing data from one stratum.
Field technicians completed all planned surveys (100%) in 2023. Technicians conducted 43 point counts within the 6 surveyed grid cells between May 26 and June 7. They detected 72 bird species, including 0 priority species.
Bird Conservancy estimated densities and population sizes for 103 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 25 species.
Bird Conservancy estimated the proportion of 1 km² grid cells occupied (Ψ, Psi) throughout Missouri National Recreational River - 59 Mile District for 104 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 29 species.
Missouri National Recreational River - 39 Mile District
We obtained results for Missouri National Recreational River - 39 Mile District by compiling and analyzing data from one stratum.
Field technicians completed all planned surveys (100%) in 2023. Technicians conducted 54 point counts within the 6 surveyed grid cells between May 25 and June 17. They detected 78 bird species, including 0 priority species.
Bird Conservancy estimated densities and population sizes for 111 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 Missouri National Recreational River - 39 Mile District for 114 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 33 species.
Mount Rushmore National Monument
We obtained results for Mount Rushmore National Monument by compiling and analyzing data from one stratum.
Field technicians completed 4 of 6 planned surveys (67%) in 2023. Technicians conducted 27 point counts within the 4 surveyed grid cells between July 2 and July 13. They detected 28 bird species, including 1 priority species.
Bird Conservancy estimated densities and population sizes for 79 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 10 species.
Bird Conservancy estimated the proportion of 1 km² grid cells occupied (Ψ, Psi) throughout Mount Rushmore National Monument for 79 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 12 species.
Niobrara National Scenic River
We obtained results for Niobrara National Scenic River by compiling and analyzing data from one stratum.
Field technicians completed 5 of 6 planned surveys (83%) in 2023. Technicians conducted 59 point counts within the 5 surveyed grid cells between May 29 and June 20. They detected 78 bird species, including 0 priority species.
Bird Conservancy estimated densities and population sizes for 114 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 Niobrara National Scenic River for 116 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 30 species.
Scotts Bluff National Monument
We obtained results for Scotts Bluff National Monument by compiling and analyzing data from one stratum.
Field technicians completed all planned surveys (100%) in 2023. Technicians conducted 30 point counts within the 4 surveyed grid cells between June 21 and June 26. They detected 41 bird species, including 9 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 11 species.
Bird Conservancy estimated the proportion of 1 km² grid cells occupied (Ψ, Psi) throughout Scotts Bluff National Monument 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 12 species.
Theodore Roosevelt National Park
We obtained results for Theodore Roosevelt National Park by compiling and jointly analyzing data from two strata.
Field technicians completed 11 of 12 planned surveys (92%) in 2023. Technicians conducted 97 point counts within the 11 surveyed grid cells between June 15 and July 6. They detected 70 bird species, including 0 priority species.
Bird Conservancy estimated densities and population sizes for 118 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 33 species.
Bird Conservancy estimated the proportion of 1 km² grid cells occupied (Ψ, Psi) throughout Theodore Roosevelt National Park for 119 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.
Wind Cave National Park
We obtained results for Wind Cave National Park by compiling and analyzing data from one stratum.
Field technicians completed all planned surveys (100%) in 2023. Technicians conducted 68 point counts within the 6 surveyed grid cells between June 10 and July 8. They detected 54 bird species, including 4 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 Wind Cave National Park for 126 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 21 species.
11.4 Rocky Mountain Network
Rocky Mountain Network in Colorado
We obtained results for Rocky Mountain Network in Colorado by compiling and analyzing data from one stratum.
Field technicians completed both planned surveys (100%) in 2023. Technicians conducted 27 point counts within the 2 surveyed grid cells between June 27 and July 8. They detected 29 bird species, including 0 priority species.
Bird Conservancy estimated densities and population sizes for 86 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 8 species.
Bird Conservancy estimated the proportion of 1 km² grid cells occupied (Ψ, Psi) throughout Rocky Mountain Network in Colorado for 86 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 8 species.
11.5 Southern Colorado Plateau Network
Southern Colorado Plateau Network in Colorado
We obtained results for Southern Colorado Plateau Network in Colorado by compiling and analyzing data from one stratum.
Field technicians completed both planned surveys (100%) in 2023. Technicians conducted 25 point counts within the 2 surveyed grid cells between June 10 and June 13. They detected 34 bird species, including 4 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 11 species.
Bird Conservancy estimated the proportion of 1 km² grid cells occupied (Ψ, Psi) throughout Southern Colorado Plateau Network in Colorado 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 13 species.