BirdAnalyst
Species · BCR 9 · BBS 2026 Release · 1966–2025

Eurasian Collared-Dove In Great Basin

All regionsGreat BasinGeneralists

Eurasian Collared-Dove in Great Basin has surged: up 133× on the route-weighted index since 2006.

133×Since 2006TrendPercent 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 →
157Routes 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 →
21YearsYears 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 Eurasian Collared-Dove in Great Basin. See the full index history below.

Eurasian Collared-Dove In Great Basin Population Forecast

If the recent trend holds, Eurasian Collared-Dove in Great Basin is projected to rise about 54% by 2030 — from 5.4 in 2025 to a central estimate of 8.4 (95% range 6.0–11). A 5-year backtest shows a typical error of ±69.9%, with 0% of held-out values landing inside the 95% band.

+54%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 →
8.4Projected 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 →
6.0–1195% 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 →
±69.9%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 Great Basin is projected to rise about 54% by 2030 — from 5.4 in 2025 to a central estimate of 8.4 (95% range 6.0–11). A 5-year backtest shows a typical error of ±69.9%, with 0% of held-out values landing inside the 95% band.20042030
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 →
20267.14.79.5
20277.45.09.8
20287.85.410
20298.15.710
20308.46.011

Routes In Great Basin

Routes recording Eurasian Collared-Dove in Great Basin.
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 →
Columbia NwrWASHINGTON622022
Scootney ReservoirWASHINGTON592025
MaldenWASHINGTON522025
DorrisCALIFORNIA512019
PocatelloIDAHO502019
DeschutesOREGON422025
RirieIDAHO372025
EwanWASHINGTON332019
MerrillOREGON322022
Iron GateCALIFORNIA302019
FallonNEVADA282025
Ewan 2WASHINGTON282025
Mud LakeIDAHO272025
Moses LakeWASHINGTON272022
OdessaWASHINGTON252025
CedarvilleCALIFORNIA242025
GardnervilleNEVADA242012
Modoc Point 2OREGON242025
DuboisIDAHO232025
Modoc PointOREGON232018
WapatoWASHINGTON232022
Davis CreekCALIFORNIA202025
NighthawkWASHINGTON202025
NubieberCALIFORNIA192018
Cedar HillIDAHO182024

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