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

Warbling Vireo In Southern Rockies / Colorado Plateau

All regionsSouthern Rockies / Colorado PlateauForest birds

Warbling Vireo in Southern Rockies / Colorado Plateau has surged: up 404% on the route-weighted index since 1970.

+404%Since 1970
165Routes In Region
56Years

Notable Signals

long arc increasecomputed index

Warbling Vireo has surged in Southern Rockies / Colorado Plateau: up 404% on the route-weighted index since 1970.

Forecast

If the recent trend holds, Warbling Vireo in Southern Rockies / Colorado Plateau is projected to rise about 15% by 2029 — from 12 in 2024 to a central estimate of 14 (95% range 11–18). A 5-year backtest shows a typical error of ±22.3%, with 100% of held-out values landing inside the 95% band.

+15%Change by 2029
14Projected 2029 index
11–1895% range
±22.3%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
2025139.917
2026141017
2027141017
2028141018
2029141118

Routes In Southern Rockies / Colorado Plateau

Routes recording Warbling Vireo in Southern Rockies / Colorado Plateau.
Dry ParkARIZONA932024
Haycamp MesaCOLORADO792024
Dolores RivCOLORADO762024
Fox CreekCOLORADO612024
Mcphee Res.COLORADO602024
Dunckley PasCOLORADO552024
AspenCOLORADO422024
Owl Creek PassCOLORADO422024
Uintah NfUTAH401994
Moon PassCOLORADO392024
BeckUTAH391987
Grizzly RdgeUTAH372024
UncompahgreCOLORADO332024
Groundhog RsCOLORADO332024
VallecitosNEW-MEXICO332024
Baxter PassCOLORADO322024
FlattopsCOLORADO312019
Stillwater PassCOLORADO312009
Cheesman LkCOLORADO302024
Ragged Mtn.COLORADO302019
CebollaNEW-MEXICO302023
Navajo LakeUTAH302024
GooseberryUTAH302024
Lake City 2COLORADO282024
CastletonCOLORADO272024

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