BirdAnalyst
Species · BCR 23 · BBS 2026 Release · 1966–2025

Eurasian Collared-Dove In Prairie Hardwood Transition

All regionsPrairie Hardwood TransitionGeneralists

Eurasian Collared-Dove in Prairie Hardwood Transition has surged: up 44× on the route-weighted index since 2008.

44×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 →
38Routes 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 →

No notable trend signals for Eurasian Collared-Dove in Prairie Hardwood Transition. See the full index history below.

Eurasian Collared-Dove In Prairie Hardwood Transition Population Forecast

If the recent trend holds, Eurasian Collared-Dove in Prairie Hardwood Transition is projected to fall about 17% by 2030 — from 0.68 in 2025 to a central estimate of 0.56 (95% range 0.34–0.79). A 5-year backtest shows a typical error of ±58.2%, with 20% of held-out values landing inside the 95% band.

-17%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 →
0.56Projected 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 →
0.34–0.7995% 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 →
±58.2%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 Prairie Hardwood Transition is projected to fall about 17% by 2030 — from 0.68 in 2025 to a central estimate of 0.56 (95% range 0.34–0.79). A 5-year backtest shows a typical error of ±58.2%, with 20% of held-out values landing inside the 95% band.20052030
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 →
20260.460.230.68
20270.480.260.71
20280.510.280.73
20290.540.310.76
20300.560.340.79

Routes In Prairie Hardwood Transition

Routes recording Eurasian Collared-Dove in Prairie Hardwood Transition.
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 →
FestinaIOWA142025
AnnatonWISCONSIN142025
N AndoverWISCONSIN72025
GilmantonWISCONSIN62025
Hazel GreenWISCONSIN62025
Lake GalenaILLINOIS52021
New LondonMINNESOTA42024
MillvilleMINNESOTA32025
CascoWISCONSIN32019
WiotaWISCONSIN32025
KnoxINDIANA22019
DresserWISCONSIN22025
Newburg CrnsWISCONSIN22019
Prairie Du ChienWISCONSIN22025
KielWISCONSIN22025
BeloitWISCONSIN22025
KewannaINDIANA12021
MiddleburyINDIANA12017
CoopersvilleMICHIGAN12012
GlenwoodMINNESOTA12019
AshbyMINNESOTA12021
Whitewater 2MINNESOTA12019
VickeryOHIO12021
HudsonWISCONSIN12025
WeyerhauserWISCONSIN12025

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