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

American Robin Population Trend in Oregon

All statesForest birds

American Robin in Oregon has edged down: down 19% on the route-weighted index since 1970.

-19%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 →
144Routes 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 American Robin Trends in OregonNotable 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 American Robin in Oregon. See the full index history below.

American Robin Population Forecast in Oregon

If the recent trend holds, American Robin in Oregon is projected to fall about 18% by 2030 — from 30 in 2025 to a central estimate of 25 (95% range 14–35). A 5-year backtest shows a typical error of ±12.3%, with 100% of held-out values landing inside the 95% band.

-18%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 →
25Projected 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 →
14–3595% 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 →
±12.3%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, American Robin in Oregon is projected to fall about 18% by 2030 — from 30 in 2025 to a central estimate of 25 (95% range 14–35). A 5-year backtest shows a typical error of ±12.3%, 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 →
2026261536
2027251536
2028251536
2029251436
2030251435

American Robin Survey Routes in Oregon

Routes recording American Robin in Oregon.
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 →
Garfield14820251973
Wallowa10720252025
Dayton10520251973
Sandy River9720061993
Canby9620251993
Tualatin9220251968
Donnelly6820061994
Adair6720251971
Silver Creek6620251984
Ochoco6519821972
Svensen6219921990
Paisley6020251973
Deschutes5820251968
Donelly 25820252018
Barnhouse5520251998
Unity5520251992
Bly 25420252007
Monument5420251993
Lakeview5420251996
Newbridge5320251992
Scappoose5220251995
Barnes Val5119871971
Nicolai Mtn.5120251993
Lapham Res.5020251991
Scio4920251971

American Robin Population Trend in Other States

alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomapennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

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