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

Canada Goose Population Trend in Wyoming

All statesWaterfowl

Canada Goose in Wyoming has surged: up 48× on the route-weighted index since 1976.

48×Since 1976TrendPercent 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 →
81Routes 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 →
49YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable Canada Goose 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 →

Canada Goose has surged in Wyoming: up 48× on the route-weighted index since 1976.

Canada Goose Population Forecast in Wyoming

If the recent trend holds, Canada Goose in Wyoming is projected to rise about 450% by 2029 — from 6.0 in 2024 to a central estimate of 33 (95% range 17–49). A 5-year backtest shows a typical error of ±139.7%, with 40% of held-out values landing inside the 95% band.

+450%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 →
33Projected 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 →
17–4995% 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 →
±139.7%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, Canada Goose in Wyoming is projected to rise about 450% by 2029 — from 6.0 in 2024 to a central estimate of 33 (95% range 17–49). A 5-year backtest shows a typical error of ±139.7%, with 40% of held-out values landing inside the 95% band.19742029
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 →
2025301447
2026311547
2027321548
2028321649
2029331749

Canada Goose Survey Routes in Wyoming

Routes recording Canada Goose 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 →
Yellowstone225420221987
Rock River41720221990
Hayden Val33219861985
Fontenelle25220241982
Kaycee13220242014
Mtn View5920241981
Bill3620182018
Clark3420102001
Ne Entrance3020191982
Seely3019991994
Otto2720161995
Harmony2720231987
Wamsutter2520052005
Ethete2220211991
Rawlins2220051993
Baggs2120022002
Frannie1820052005
Wyarno1619961996
Clarkelen1619771976
Big Sandy1520231987
Natrona1419881988
Buford1420192019
Carter 21420242018
Rozet1320232017
Recluse1220241983

Canada Goose 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.