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

Virginia's Warbler In Southern Rockies / Colorado Plateau

Virginia's Warbler in Southern Rockies / Colorado Plateau has surged: up 114% on the route-weighted index since 1970.

+114%Since 1970
120Routes In Region
56Years

Notable Signals

long arc increasecomputed index

Virginia's Warbler has surged in Southern Rockies / Colorado Plateau: up 114% on the route-weighted index since 1970.

Forecast

If the recent trend holds, Virginia's Warbler in Southern Rockies / Colorado Plateau is projected to fall about 14% by 2029 — from 2.1 in 2024 to a central estimate of 1.8 (95% range 1.1–2.6). A 5-year backtest shows a typical error of ±38.1%, with 80% of held-out values landing inside the 95% band.

-14%Change by 2029
1.8Projected 2029 index
1.12.695% range
±38.1%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
20251.81.02.5
20261.81.02.5
20271.81.02.5
20281.81.12.5
20291.81.12.6

Routes In Southern Rockies / Colorado Plateau

Routes recording Virginia's Warbler in Southern Rockies / Colorado Plateau.
Mesaverde NpCOLORADO402024
Baxter PassCOLORADO352024
Douglas PassCOLORADO242024
Yellowjacket PassCOLORADO212024
AngoraCOLORADO192024
GallinasNEW-MEXICO172021
NuclaCOLORADO122024
CebollaNEW-MEXICO122023
BufordCOLORADO102024
Wilson CreekCOLORADO102024
Angel FireNEW-MEXICO102002
LudlowCOLORADO92016
Beck 2UTAH92018
Ragged Mtn.COLORADO82019
Gribbles PrkCOLORADO82024
DeltaCOLORADO72021
Black Sulphur CrCOLORADO72024
Cheesman LkCOLORADO62024
RosevaleCOLORADO62023
CokedaleCOLORADO62024
VallecitosNEW-MEXICO62024
Dolores RivCOLORADO52024
Marshall PasCOLORADO52002
Cortez 2COLORADO52017
Stinking Lk.NEW-MEXICO51999

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