BirdAnalyst
Species · BCR 5 · BBS 2026 Release · 1966–2025

Eurasian Collared-Dove In Northern Pacific Rainforest

All regionsNorthern Pacific RainforestGeneralists

Eurasian Collared-Dove in Northern Pacific Rainforest has surged: up 100× on the route-weighted index since 2008.

100×Since 2008TrendPercent 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 →
79Routes 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 →
19YearsYears 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 →

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 →

Eurasian Collared-Dove has surged in Northern Pacific Rainforest: up 100× on the route-weighted index since 2008.

Eurasian Collared-Dove In Northern Pacific Rainforest Population Forecast

If the recent trend holds, Eurasian Collared-Dove in Northern Pacific Rainforest is projected to rise about 53% by 2030 — from 6.5 in 2025 to a central estimate of 9.9 (95% range 7.2–13). A 5-year backtest shows a typical error of ±74.1%, with 0% of held-out values landing inside the 95% band.

+53%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 →
9.9Projected 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 →
7.2–1395% 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 →
±74.1%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, Eurasian Collared-Dove in Northern Pacific Rainforest is projected to rise about 53% by 2030 — from 6.5 in 2025 to a central estimate of 9.9 (95% range 7.2–13). A 5-year backtest shows a typical error of ±74.1%, with 0% of held-out values landing inside the 95% band.20062030
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 →
20268.35.611
20278.76.011
20289.16.412
20299.56.812
20309.97.213

Routes In Northern Pacific Rainforest

Routes recording Eurasian Collared-Dove 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 →
Crescent CtyCALIFORNIA572025
Port AngelesWASHINGTON412025
YrekaCALIFORNIA362019
CanbyOREGON342025
Sams ValleyOREGON272025
IlwacoWASHINGTON262025
DaytonOREGON222025
SalemOREGON202025
Horse CreekCALIFORNIA182019
AdairOREGON182025
South ElmaWASHINGTON182024
UmpquaOREGON172025
Warm BeachWASHINGTON172017
Bodega BayCALIFORNIA162021
McminnvilleOREGON132025
CoquilleOREGON122025
ScappooseOREGON122025
MukilteoWASHINGTON122025
Raymond 2WASHINGTON122024
AlderpointCALIFORNIA112012
GreenOREGON112025
SelmaOREGON92025
RaymondWASHINGTON92021
Vashon Is.WASHINGTON92025
GazelleCALIFORNIA82021

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