BirdAnalyst
Species · BCR 16 · BBS 2025 Release · 1966–2024

Eurasian Collared-Dove In Southern Rockies / Colorado Plateau

All regionsSouthern Rockies / Colorado PlateauGeneralists

Eurasian Collared-Dove in Southern Rockies / Colorado Plateau has surged: up 39× on the route-weighted index since 2005.

39×Since 2005TrendPercent 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 →
111Routes 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 →

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 Southern Rockies / Colorado Plateau: up 39× on the route-weighted index since 2005.

Eurasian Collared-Dove In Southern Rockies / Colorado Plateau Population Forecast

If the recent trend holds, Eurasian Collared-Dove in Southern Rockies / Colorado Plateau is projected to rise about 43% by 2029 — from 2.1 in 2024 to a central estimate of 3.0 (95% range 2.1–4.0). A 5-year backtest shows a typical error of ±82.4%, with 0% of held-out values landing inside the 95% band.

+43%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 →
3.0Projected 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 →
2.1–4.095% 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 →
±82.4%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 Southern Rockies / Colorado Plateau is projected to rise about 43% by 2029 — from 2.1 in 2024 to a central estimate of 3.0 (95% range 2.1–4.0). A 5-year backtest shows a typical error of ±82.4%, with 0% of held-out values landing inside the 95% band.20032029
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 →
20252.61.73.6
20262.71.83.7
20272.81.93.8
20282.92.03.9
20293.02.14.0

Routes In Southern Rockies / Colorado Plateau

Routes recording Eurasian Collared-Dove in Southern Rockies / Colorado Plateau.
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 →
KamasUTAH492024
Cortez 2COLORADO252017
EscalanteUTAH252024
AnethUTAH242024
FruitaCOLORADO212007
HuntARIZONA192018
FalfaCOLORADO192024
Moquith MtnUTAH182024
Peach SpringARIZONA152024
La PlataNEW-MEXICO142013
PageARIZONA132019
La Plata 2NEW-MEXICO132016
PaoniaCOLORADO112024
Wellington 3UTAH112024
BeaverUTAH102024
SeligmanARIZONA82024
CortezCOLORADO82008
PecosNEW-MEXICO82017
McgaffeyNEW-MEXICO82023
HarmonyCOLORADO72024
CastletonCOLORADO72024
LudlowCOLORADO72016
NewcombNEW-MEXICO72021
YampaCOLORADO62023
MoabUTAH62024

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