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

Wilson's Warbler In Southern Rockies / Colorado Plateau

All regionsSouthern Rockies / Colorado PlateauForest birds

Wilson's Warbler in Southern Rockies / Colorado Plateau has risen sharply: up 65% on the route-weighted index since 1970.

+65%Since 1970
103Routes In Region
55Years

Notable Signals

long arc increasecomputed index

Wilson's Warbler has risen sharply in Southern Rockies / Colorado Plateau: up 65% on the route-weighted index since 1970.

Forecast

If the recent trend holds, Wilson's Warbler in Southern Rockies / Colorado Plateau is projected to rise about 86% by 2029 — from 0.65 in 2024 to a central estimate of 1.2 (95% range 0.65–1.8). A 5-year backtest shows a typical error of ±54.4%, with 80% of held-out values landing inside the 95% band.

+86%Change by 2029
1.2Projected 2029 index
0.65–1.895% range
±54.4%Backtest error
19682029
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected index95% low95% high
20251.20.601.7
20261.20.611.7
20271.20.621.8
20281.20.641.8
20291.20.651.8

Routes In Southern Rockies / Colorado Plateau

Routes recording Wilson's Warbler in Southern Rockies / Colorado Plateau.
TincupCOLORADO322024
Lost LakeCOLORADO122024
Weston PassCOLORADO112000
Marshall PasCOLORADO112014
Blackhead PkCOLORADO72021
Comanche PkCOLORADO72024
CortezCOLORADO62005
Stillwater PassCOLORADO62007
Willow PeakCOLORADO52017
Rifle FallsCOLORADO52013
Mount EvansCOLORADO52014
CebollaNEW-MEXICO51978
YampaCOLORADO42023
SummitvilleCOLORADO42024
Buffalo ParkCOLORADO42023
Guanella PasCOLORADO42024
PinonCOLORADO42004
Groundhog RsCOLORADO42024
Weston Pass 2COLORADO42024
ColonaCOLORADO31981
ParlinCOLORADO32022
Wet Mtns.COLORADO31997
Ragged Mtn.COLORADO32019
NuclaCOLORADO32006
Lizard Head PassCOLORADO32024

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