BirdAnalyst
Species · Wyoming · BBS 2026 Release · 1966–2025

Gray Catbird Population Trend in Wyoming

All statesForest birds

Gray Catbird in Wyoming has surged: up 103% on the route-weighted index since 1970.

+103%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 →
63Routes 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 →
55YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable Gray Catbird 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 →

Gray Catbird has surged in Wyoming: up 103% on the route-weighted index since 1970.

Gray Catbird Population Forecast in Wyoming

If the recent trend holds, Gray Catbird in Wyoming is projected to rise about 32% by 2030 — from 0.56 in 2025 to a central estimate of 0.74 (95% range 0.32–1.2). A 5-year backtest shows a typical error of ±48.7%, with 100% of held-out values landing inside the 95% band.

+32%Change by 2030TrendPercent 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 →
0.74Projected 2030 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →
0.32–1.295% 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 →
±48.7%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, Gray Catbird in Wyoming is projected to rise about 32% by 2030 — from 0.56 in 2025 to a central estimate of 0.74 (95% range 0.32–1.2). A 5-year backtest shows a typical error of ±48.7%, with 100% of held-out values landing inside the 95% band.19682030
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 →
20260.710.281.1
20270.720.291.1
20280.720.301.2
20290.730.311.2
20300.740.321.2

Gray Catbird Survey Routes in Wyoming

Routes recording Gray Catbird 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 →
Wilson1120251979
Moskee 3920252022
Wyarno720251975
Alpine620251980
Moskee 2620212002
Otto520241970
Fletcher Pk420251989
Ne Entrance319881988
Sundance320241976
Seely 2320142003
Lovell320181993
Meeteetse320211991
Moskee320011980
Meadowdale320251995
Basin220251971
Gvnt Valley220142002
Riverside220241997
Clark220252001
Arvada219961987
Walcott220251994
Cody120251993
Yellowstone120132013
Dubois120251968
Midvale120242017
Fontenelle120161988

Gray Catbird Population Trend in Other States

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

Source: USGS North American Breeding Bird Survey, retrieved 2026-08-14.