BirdAnalyst
Species · BCR 5 · BBS 2025 Release · 1966–2024

American Crow In Northern Pacific Rainforest

All regionsNorthern Pacific RainforestGeneralists

American Crow in Northern Pacific Rainforest has edged down: down 11% on the route-weighted index since 1970.

-11%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 →
134Routes In RegionSurvey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
56YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable SignalsNotable 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 Crow in Northern Pacific Rainforest. See the full index history below.

American Crow In Northern Pacific Rainforest Population Forecast

If the recent trend holds, American Crow in Northern Pacific Rainforest is projected to stay roughly flat through 2029, near 17 (95% range 9.7–23). A 5-year backtest shows a typical error of ±11.8%, with 100% of held-out values landing inside the 95% band.

+5%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 →
17Projected 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 →
9.7–2395% 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 →
±11.8%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, American Crow in Northern Pacific Rainforest is projected to stay roughly flat through 2029, near 17 (95% range 9.7–23). A 5-year backtest shows a typical error of ±11.8%, with 100% of held-out values landing inside the 95% band.19682029
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 →
20251710.024
2026179.924
2027179.923
2028179.823
2029179.723

Routes In Northern Pacific Rainforest

Routes recording American Crow in Northern Pacific Rainforest.
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 →
TualatinOREGON822024
Zimovia StrtALASKA802024
TaholahWASHINGTON722022
Sitka (Short)ALASKA711992
South ElmaWASHINGTON662024
MendotaWASHINGTON641988
MukilteoWASHINGTON632024
CarnationWASHINGTON592024
Mendota 2WASHINGTON502000
GlasgowOREGON492024
Port AngelesWASHINGTON462024
IlwacoWASHINGTON412024
Crescent CtyCALIFORNIA382024
HainesALASKA372024
ElktonOREGON372024
IssaquahWASHINGTON341987
Juneau AltALASKA331986
EverettWASHINGTON332024
ZaremboALASKA322024
CamasWASHINGTON322018
JuneauALASKA312024
HauserOREGON291985
Sandy RiverOREGON292006
Raymond 2WASHINGTON292024
WedderburnOREGON282024

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