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

Gray Catbird Population Trend in Washington

All statesForest birds

Gray Catbird in Washington has declined: down 34% on the route-weighted index since 1970.

-34%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 →
40Routes 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 →
57YearsYears 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 WashingtonNotable signalsLong-arc shifts the engine flags automatically — sustained declines or increases large enough to stand out from year-to-year noise.Full methodology →

No notable trend signals for Gray Catbird in Washington. See the full index history below.

Gray Catbird Population Forecast in Washington

If the recent trend holds, Gray Catbird in Washington is projected to rise about 109% by 2030 — from 0.56 in 2025 to a central estimate of 1.2 (95% range 0.41–1.9). A 5-year backtest shows a typical error of ±77.8%, with 100% of held-out values landing inside the 95% band.

+109%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 →
1.2Projected 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 →
0.41–1.995% 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 →
±77.8%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 Washington is projected to rise about 109% by 2030 — from 0.56 in 2025 to a central estimate of 1.2 (95% range 0.41–1.9). A 5-year backtest shows a typical error of ±77.8%, 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 →
20261.10.361.9
20271.10.371.9
20281.10.381.9
20291.20.401.9
20301.20.411.9

Gray Catbird Survey Routes in Washington

Routes recording Gray Catbird in Washington.
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 →
Leavenworth820241985
Nighthawk820251992
Keller720071968
Laurier720251998
Deer Park720151996
Chewelah520211977
Twisp420241969
Tonasket420161982
Waitsburg420041994
Lake Chelan420251993
Winthrop320222000
Northport320251996
L Pend O Nwr220231999
Reardan220241968
Asotin220211991
Twin Lakes220251983
Cusick220251982
Ronald220222019
Spring Lake220232015
Curlew220171992
Blewett Pass220042004
Malden220242024
Mazama220221994
Moses Coulee220011997
Brewster119901990

Gray Catbird Population Trend in Other States

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

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