16 Montana
In 2024, we had complete survey coverage across the state of Montana (Figure 16.1).
16.1 Montana Statewide: Total
Montana Statewide: Total
We obtained results for Montana Statewide: Total by compiling and jointly analyzing data from 30 strata.
Field technicians completed 183 of 185 planned surveys (99%) in 2024. Technicians conducted 1962 point counts within the 183 surveyed grid cells between May 19 and July 10. They detected 206 bird species, including 32 priority species.
Bird Conservancy estimated densities (birds per square kilometer) for 222 species that were detected in any year during which surveys were conducted, 36 of which are priority species. The data yielded robust density estimates (CV < 50%) for 91 species.
Bird Conservancy estimated the proportion of occupied plots throughout Montana Statewide: Total for 224 species that were detected in any year during which surveys were conducted, 38 of which are priority species. The data yielded robust occupancy estimates (CV < 50%) for 114 species.
16.2 All Other Lands in Montana
All Other Lands in Montana
We obtained results for All Other Lands in Montana by compiling and jointly analyzing data from three strata.
Field technicians completed 35 of 36 planned surveys (97%) in 2024. Technicians conducted 409 point counts within the 35 surveyed grid cells between May 20 and July 10. They detected 137 bird species, including 19 priority species.
Bird Conservancy estimated densities (birds per square kilometer) for 180 species that were detected in any year during which surveys were conducted, 31 of which are priority species. The data yielded robust density estimates (CV < 50%) for 42 species.
Bird Conservancy estimated the proportion of occupied plots throughout All Other Lands in Montana for 181 species that were detected in any year during which surveys were conducted, 32 of which are priority species. The data yielded robust occupancy estimates (CV < 50%) for 53 species.
16.3 Montana BCR 10
Montana BCR 10: Total
We obtained results for Montana BCR 10: Total by compiling and jointly analyzing data from 21 strata.
Field technicians completed 116 of 115 planned surveys (101%) in 2024. Technicians conducted 1162 point counts within the 116 surveyed grid cells between May 25 and July 8. They detected 162 bird species, including 23 priority species.
Bird Conservancy estimated densities (birds per square kilometer) for 193 species that were detected in any year during which surveys were conducted, 27 of which are priority species. The data yielded robust density estimates (CV < 50%) for 56 species.
Bird Conservancy estimated the proportion of occupied plots throughout Montana BCR 10: Total for 193 species that were detected in any year during which surveys were conducted, 28 of which are priority species. The data yielded robust occupancy estimates (CV < 50%) for 78 species.
All Other Lands in Montana BCR 10
We obtained results for All Other Lands in Montana BCR 10 by compiling and analyzing data from one stratum.
Field technicians completed all planned surveys (100%) in 2024. Technicians conducted 85 point counts within the 8 surveyed grid cells between June 7 and July 1. They detected 92 bird species, including 11 priority species.
Bird Conservancy estimated densities (birds per square kilometer) for 135 species that were detected in any year during which surveys were conducted, 16 of which are priority species. The data yielded robust density estimates (CV < 50%) for 7 species.
Bird Conservancy estimated the proportion of occupied plots throughout All Other Lands in Montana BCR 10 for 137 species that were detected in any year during which surveys were conducted, 17 of which are priority species. The data yielded robust occupancy estimates (CV < 50%) for 12 species.
16.4 Montana BCR 11
Montana BCR 11: Total
We obtained results for Montana BCR 11: Total by compiling and jointly analyzing data from four strata.
Field technicians completed 31 of 33 planned surveys (94%) in 2024. Technicians conducted 357 point counts within the 31 surveyed grid cells between May 24 and July 10. They detected 110 bird species, including 13 priority species.
Bird Conservancy estimated densities (birds per square kilometer) for 139 species that were detected in any year during which surveys were conducted, 18 of which are priority species. The data yielded robust density estimates (CV < 50%) for 13 species.
Bird Conservancy estimated the proportion of occupied plots throughout Montana BCR 11: Total for 141 species that were detected in any year during which surveys were conducted, 20 of which are priority species. The data yielded robust occupancy estimates (CV < 50%) for 27 species.
All Other Lands in Montana BCR 11
We obtained results for All Other Lands in Montana BCR 11 by compiling and analyzing data from one stratum.
Field technicians completed 9 of 10 planned surveys (90%) in 2024. Technicians conducted 107 point counts within the 9 surveyed grid cells between May 31 and July 10. They detected 82 bird species, including 11 priority species.
Bird Conservancy estimated densities (birds per square kilometer) for 122 species that were detected in any year during which surveys were conducted, 18 of which are priority species. The data yielded robust density estimates (CV < 50%) for 8 species.
Bird Conservancy estimated the proportion of occupied plots throughout All Other Lands in Montana BCR 11 for 123 species that were detected in any year during which surveys were conducted, 19 of which are priority species. The data yielded robust occupancy estimates (CV < 50%) for 15 species.
16.5 Montana BCR 17
Montana BCR 17: Total
We obtained results for Montana BCR 17: Total by compiling and jointly analyzing data from five strata.
Field technicians completed 36 of 37 planned surveys (97%) in 2024. Technicians conducted 443 point counts within the 36 surveyed grid cells between May 19 and July 10. They detected 123 bird species, including 11 priority species.
Bird Conservancy estimated densities (birds per square kilometer) for 182 species that were detected in any year during which surveys were conducted, 26 of which are priority species. The data yielded robust density estimates (CV < 50%) for 31 species.
Bird Conservancy estimated the proportion of occupied plots throughout Montana BCR 17: Total for 182 species that were detected in any year during which surveys were conducted, 27 of which are priority species. The data yielded robust occupancy estimates (CV < 50%) for 39 species.
All Other Lands in Montana BCR 17
We obtained results for All Other Lands in Montana BCR 17 by compiling and analyzing data from one stratum.
Field technicians completed all planned surveys (100%) in 2024. Technicians conducted 217 point counts within the 18 surveyed grid cells between May 20 and July 3. They detected 89 bird species, including 15 priority species.
Bird Conservancy estimated densities (birds per square kilometer) for 135 species that were detected in any year during which surveys were conducted, 17 of which are priority species. The data yielded robust density estimates (CV < 50%) for 22 species.
Bird Conservancy estimated the proportion of occupied plots throughout All Other Lands in Montana BCR 17 for 137 species that were detected in any year during which surveys were conducted, 18 of which are priority species. The data yielded robust occupancy estimates (CV < 50%) for 28 species.