Species · Wyoming · BBS 2025 Release · 1966–2024
Yellow Warbler Population Trend in Wyoming
Yellow Warbler in Wyoming has increased: up 48% on the route-weighted index since 1970.
+48%Since 1970
108Routes In State
56Years
Notable Yellow Warbler Trends in Wyoming
No notable trend signals for Yellow Warbler in Wyoming. See the full index history below.
Yellow Warbler Population Forecast in Wyoming
If the recent trend holds, Yellow Warbler in Wyoming is projected to stay roughly flat through 2029, near 6.8 (95% range 4.3–9.4). A 5-year backtest shows a typical error of ±12.1%, with 100% of held-out values landing inside the 95% band.
+1%Change by 2029
6.8Projected 2029 index
4.3–9.495% range
±12.1%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 6.7 | 4.2 | 9.2 |
| 2026 | 6.7 | 4.2 | 9.3 |
| 2027 | 6.8 | 4.2 | 9.3 |
| 2028 | 6.8 | 4.3 | 9.3 |
| 2029 | 6.8 | 4.3 | 9.4 |
Yellow Warbler Survey Routes in Wyoming
| Wilson | 82 | 2024 | 1979 |
| Alpine | 34 | 2024 | 1979 |
| Meeteetse | 31 | 2024 | 1991 |
| Dayton | 31 | 2024 | 1980 |
| Soda Lake | 26 | 2024 | 1980 |
| Bill | 25 | 1999 | 1974 |
| Green River | 22 | 1984 | 1977 |
| Midvale | 21 | 2024 | 1975 |
| Riverside | 21 | 2024 | 1968 |
| Cody | 20 | 2024 | 1983 |
| Moskee 2 | 20 | 2021 | 2002 |
| Seedskadee 2 | 20 | 2024 | 2024 |
| Mtn View | 19 | 2024 | 1980 |
| Moose | 17 | 2024 | 1976 |
| Boulder | 17 | 2024 | 1982 |
| Moran | 17 | 2016 | 2002 |
| Fontenelle | 16 | 2024 | 1982 |
| Fox Park | 16 | 2024 | 1993 |
| Buckskin Mtn | 15 | 2021 | 1980 |
| Harmony | 15 | 2023 | 1982 |
| Moskee 3 | 15 | 2024 | 2022 |
| Mayoworth | 14 | 2024 | 1982 |
| Basin | 13 | 2024 | 1972 |
| Colter Bay | 13 | 1999 | 1968 |
| Otto | 12 | 2024 | 1970 |
Yellow Warbler Population Trend in Other States
alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckymainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsin
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.