16 Montana
In 2025, 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 all planned surveys (100%) in 2025. Technicians conducted 953 point counts within the 81 surveyed grid cells between May 24 and July 14. They detected 180 bird species, including 31 priority species.
Bird Conservancy estimated densities (birds per square kilometer) for 222 species that were detected in any year during which surveys were conducted, 40 of which are priority species. The data yielded robust density estimates (CV < 50%) for 44 species.
Bird Conservancy estimated the proportion of occupied plots throughout Montana Statewide: Total for 223 species that were detected in any year during which surveys were conducted, 40 of which are priority species. The data yielded robust occupancy estimates (CV < 50%) for 70 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 all planned surveys (100%) in 2025. Technicians conducted 86 point counts within the 6 surveyed grid cells between May 24 and July 7. They detected 56 bird species, including 10 priority species.
Bird Conservancy estimated densities (birds per square kilometer) for 179 species that were detected in any year during which surveys were conducted, 33 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 for 180 species that were detected in any year during which surveys were conducted, 33 of which are priority species. The data yielded robust occupancy estimates (CV < 50%) for 16 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 all planned surveys (100%) in 2025. Technicians conducted 491 point counts within the 45 surveyed grid cells between May 24 and July 14. They detected 136 bird species, including 19 priority species.
Bird Conservancy estimated densities (birds per square kilometer) for 192 species that were detected in any year during which surveys were conducted, 29 of which are priority species. The data yielded robust density estimates (CV < 50%) for 30 species.
Bird Conservancy estimated the proportion of occupied plots throughout Montana BCR 10: Total for 192 species that were detected in any year during which surveys were conducted, 29 of which are priority species. The data yielded robust occupancy estimates (CV < 50%) for 48 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 both planned surveys (100%) in 2025. Technicians conducted 32 point counts within the 2 surveyed grid cells between June 23 and July 7. They detected 27 bird species, including 5 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 2 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 3 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 all planned surveys (100%) in 2025. Technicians conducted 249 point counts within the 19 surveyed grid cells between June 5 and July 2. They detected 76 bird species, including 14 priority species.
Bird Conservancy estimated densities (birds per square kilometer) for 142 species that were detected in any year during which surveys were conducted, 21 of which are priority species. The data yielded robust density estimates (CV < 50%) for 6 species.
Bird Conservancy estimated the proportion of occupied plots throughout Montana BCR 11: Total for 142 species that were detected in any year during which surveys were conducted, 21 of which are priority species. The data yielded robust occupancy estimates (CV < 50%) for 9 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 both planned surveys (100%) in 2025. Technicians conducted 22 point counts within the 2 surveyed grid cells between July 1 and July 2. They detected 30 bird species, including 5 priority species.
Bird Conservancy estimated densities (birds per square kilometer) for 123 species that were detected in any year during which surveys were conducted, 20 of which are priority species. The data yielded robust density estimates (CV < 50%) for 1 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, 20 of which are priority species. The data yielded robust occupancy estimates (CV < 50%) for 5 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 all planned surveys (100%) in 2025. Technicians conducted 213 point counts within the 17 surveyed grid cells between May 24 and July 8. They detected 99 bird species, including 15 priority species.
Bird Conservancy estimated densities (birds per square kilometer) for 182 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 2 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 8 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 both planned surveys (100%) in 2025. Technicians conducted 32 point counts within the 2 surveyed grid cells between May 24 and June 15. They detected 35 bird species, including 9 priority species.
Bird Conservancy estimated densities (birds per square kilometer) for 137 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 1 species.
Bird Conservancy estimated the proportion of occupied plots throughout All Other Lands in Montana BCR 17 for 138 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 5 species.