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

Eurasian Collared-Dove In Northern Pacific Rainforest

All regionsNorthern Pacific RainforestGeneralists

Eurasian Collared-Dove in Northern Pacific Rainforest has surged: up 91× on the route-weighted index since 2008.

91×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 →
18YearsYears 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 91× 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 71% by 2029 — from 5.9 in 2024 to a central estimate of 10 (95% range 7.3–13). A 5-year backtest shows a typical error of ±63.4%, with 20% of held-out values landing inside the 95% band.

+71%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 →
10Projected 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 →
7.3–1395% 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 →
±63.4%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 71% by 2029 — from 5.9 in 2024 to a central estimate of 10 (95% range 7.3–13). A 5-year backtest shows a typical error of ±63.4%, with 20% of held-out values landing inside the 95% band.20062029
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 →
20258.35.611
20268.76.011
20279.26.412
20289.66.912
2029107.313

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 CtyCALIFORNIA472024
YrekaCALIFORNIA362019
UmpquaOREGON352024
SalemOREGON312024
AdairOREGON292024
CanbyOREGON292024
GarfieldOREGON272023
Port AngelesWASHINGTON252024
DaytonOREGON232024
GreenOREGON222024
Sams ValleyOREGON202024
Horse CreekCALIFORNIA182019
South ElmaWASHINGTON182024
RainierWASHINGTON182019
Warm BeachWASHINGTON172017
Bodega BayCALIFORNIA162021
CoquilleOREGON162024
IlwacoWASHINGTON132024
Raymond 2WASHINGTON122024
AlderpointCALIFORNIA112012
GlasgowOREGON102024
Pe EllWASHINGTON102023
ScappooseOREGON92023
RaymondWASHINGTON92021
MukilteoWASHINGTON92024

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