BirdAnalyst
Species · BCR 16 · BBS 2026 Release · 1966–2025

Eurasian Collared-Dove In Southern Rockies / Colorado Plateau

All regionsSouthern Rockies / Colorado PlateauGeneralists

Eurasian Collared-Dove in Southern Rockies / Colorado Plateau has surged: up 41× on the route-weighted index since 2005.

41×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 →
112Routes 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 →
22YearsYears 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 41× 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 39% by 2030 — from 2.2 in 2025 to a central estimate of 3.0 (95% range 2.1–4.0). A 5-year backtest shows a typical error of ±64.1%, with 0% of held-out values landing inside the 95% band.

+39%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 →
3.0Projected 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 →
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 →
±64.1%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 Southern Rockies / Colorado Plateau is projected to rise about 39% by 2030 — from 2.2 in 2025 to a central estimate of 3.0 (95% range 2.1–4.0). A 5-year backtest shows a typical error of ±64.1%, with 0% of held-out values landing inside the 95% band.20032030
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 →
20262.61.73.6
20272.71.83.7
20282.81.93.8
20292.92.03.9
20303.02.14.0

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 →
KamasUTAH392025
Cortez 2COLORADO252017
FalfaCOLORADO212025
FruitaCOLORADO212007
HatchUTAH202025
HuntARIZONA192018
Animas 2COLORADO192025
EscalanteUTAH192025
La PlataNEW-MEXICO142013
PageARIZONA132019
PaoniaCOLORADO132025
La Plata 2NEW-MEXICO132016
Wellington 3UTAH132025
SeligmanARIZONA122025
BeaverUTAH122025
AlamosaCOLORADO112025
Castle ButteARIZONA102025
Peach SpringARIZONA102025
HarmonyCOLORADO82025
CortezCOLORADO82008
PecosNEW-MEXICO82017
NewcombNEW-MEXICO72021
BoulderUTAH72025
YampaCOLORADO62023
BufordCOLORADO62025

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