BirdAnalyst
Species · Wyoming · BBS 2025 Release · 1966–2024

Red-tailed Hawk Population Trend in Wyoming

All statesGeneralists

Red-tailed Hawk in Wyoming has surged: up 88% on the route-weighted index since 1970.

+88%Since 1970TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →
133Routes In StateSurvey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
56YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable Red-tailed Hawk Trends in WyomingNotable signalsLong-arc shifts the engine flags automatically — sustained declines or increases large enough to stand out from year-to-year noise.Full methodology →

long arc increasecomputed indexTrend sourceWhether the figure is our own computed route-weighted index or an official USGS modeled estimate. The current build labels every trend as computed.Full methodology →

Red-tailed Hawk has surged in Wyoming: up 88% on the route-weighted index since 1970.

Red-tailed Hawk Population Forecast in Wyoming

If the recent trend holds, Red-tailed Hawk in Wyoming is projected to rise about 30% by 2029 — from 1.4 in 2024 to a central estimate of 1.8 (95% range 1.2–2.5). A 5-year backtest shows a typical error of ±17.2%, with 100% of held-out values landing inside the 95% band.

+30%Change by 2029TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →
1.8Projected 2029 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →
1.2–2.595% range95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
±17.2%Backtest errorBacktest errorTypical error when we hold out the most recent years, forecast them, and compare to what actually happened. Lower means a more trustworthy projection.Full methodology →
If the recent trend holds, Red-tailed Hawk in Wyoming is projected to rise about 30% by 2029 — from 1.4 in 2024 to a central estimate of 1.8 (95% range 1.2–2.5). A 5-year backtest shows a typical error of ±17.2%, with 100% of held-out values landing inside the 95% band.19682029
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →95% low95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →95% high95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
20251.81.12.4
20261.81.12.4
20271.81.12.5
20281.81.22.5
20291.81.22.5

Red-tailed Hawk Survey Routes in Wyoming

Routes recording Red-tailed Hawk in Wyoming.
Recent countThe raw number of individuals recorded on this route in its most recent survey year. A single-route tally, not a trend.Full methodology →
Mayoworth1220181983
Arvada1120241982
Crowheart720161987
Green River719841977
Yoder620241969
Carter620162006
Cody520241990
Dayton520241981
Mtn View520241981
Kaycee520222014
Wyarno420241974
Moose420231983
Recluse420241981
Riverview420221982
Fox Park420001998
Harmony420231987
Otto320241971
Basin320231971
Natrona319911980
Bill320181974
Fontenelle320241982
Patrick Draw 6320242021
Ethete320231991
Lysite320241990
Sussex320241991

Red-tailed Hawk Population Trend in Other States

alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsin

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.