Species · Wyoming · BBS 2025 Release · 1966–2024
Loggerhead Shrike Population Trend in Wyoming
Loggerhead Shrike in Wyoming has edged up: up 11% on the route-weighted index since 1970.
+11%Since 1970
99Routes In State
56Years
Notable Loggerhead Shrike Trends in Wyoming
No notable trend signals for Loggerhead Shrike in Wyoming. See the full index history below.
Loggerhead Shrike Population Forecast in Wyoming
If the recent trend holds, Loggerhead Shrike in Wyoming is projected to fall about 61% by 2029 — from 1.7 in 2024 to a central estimate of 0.64 (95% range 0.00–1.5). A 5-year backtest shows a typical error of ±54.6%, with 80% of held-out values landing inside the 95% band.
-61%Change by 2029
0.64Projected 2029 index
0.00–1.595% range
±54.6%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.69 | 0.00 | 1.5 |
| 2026 | 0.68 | 0.00 | 1.5 |
| 2027 | 0.67 | 0.00 | 1.5 |
| 2028 | 0.65 | 0.00 | 1.5 |
| 2029 | 0.64 | 0.00 | 1.5 |
Loggerhead Shrike Survey Routes in Wyoming
| Newcastle | 12 | 2024 | 1988 |
| Upton | 10 | 2024 | 1988 |
| Arminto | 10 | 2024 | 1982 |
| Schoonover | 9 | 2024 | 1982 |
| Baggs | 9 | 2024 | 1995 |
| Chugwater | 8 | 2024 | 1979 |
| Teapot Dome | 7 | 1989 | 1982 |
| Reliance | 7 | 2018 | 1977 |
| Sybille Cyn | 7 | 2024 | 1993 |
| Redbird | 6 | 1989 | 1968 |
| Shawnee | 6 | 2024 | 1988 |
| Flamin Gorge | 6 | 2024 | 2003 |
| Frannie | 5 | 2023 | 2002 |
| Arvada | 5 | 2024 | 1982 |
| Sussex | 5 | 2024 | 1991 |
| Gas Hills | 5 | 2012 | 1992 |
| Wamsutter | 5 | 2024 | 1993 |
| Rawlins 2 | 5 | 2023 | 2015 |
| Clark | 4 | 2024 | 2009 |
| Riverview | 4 | 2022 | 1983 |
| Rawlins | 4 | 2014 | 1992 |
| Carter 2 | 4 | 2024 | 2017 |
| Natrona | 3 | 1992 | 1968 |
| Bill | 3 | 2018 | 1974 |
| Bear Creek | 3 | 2018 | 1969 |
Loggerhead Shrike Population Trend in Other States
alabamaarizonaarkansascaliforniacoloradofloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmichiganminnesotamississippimissourimontananebraskanevadanew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniasouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsin
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.