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

Canada Goose Population Trend in Washington

All statesWaterfowl

Canada Goose in Washington has surged: up 626% on the route-weighted index since 1977.

+626%Since 1977
77Routes In State
48Years

Notable Canada Goose Trends in Washington

long arc increasecomputed index

Canada Goose has surged in Washington: up 626% on the route-weighted index since 1977.

Canada Goose Population Forecast in Washington

If the recent trend holds, Canada Goose in Washington is projected to rise about 15% by 2029 — from 3.4 in 2024 to a central estimate of 3.9 (95% range 2.4–5.3). A 5-year backtest shows a typical error of ±18.3%, with 100% of held-out values landing inside the 95% band.

+15%Change by 2029
3.9Projected 2029 index
2.4–5.395% range
±18.3%Backtest error
19712029
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected index95% low95% high
20253.62.15.1
20263.72.25.1
20273.72.35.2
20283.82.35.3
20293.92.45.3

Canada Goose Survey Routes in Washington

Routes recording Canada Goose in Washington.
Nighthawk6620241992
Mcchord4720091996
Sulphur3920141996
Rimrock3820241981
Newhalem3520191987
Mercer3520191990
Pomona3019991998
Wapato2719951995
Columbia Nwr2220222005
Moses Lake2120211974
Cougar2120231991
Curlew2020132002
Deception1920181993
Port Angeles1820221971
Winthrop1819831983
No Cascades1820191994
Yakima1720241993
L Pend O Nwr1620241998
Ellensburg1420241991
Ewan 21420232023
Cusick1220241982
Hanford Site1219961989
South Elma1120162000
Twisp1020221995
Ronald1020241992

Canada Goose Population Trend in Other States

alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawest-virginiawisconsinwyoming

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