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

American Robin In Southern Rockies / Colorado Plateau

All regionsSouthern Rockies / Colorado PlateauForest birds

American Robin in Southern Rockies / Colorado Plateau has risen sharply: up 55% on the route-weighted index since 1970.

+55%Since 1970
213Routes In Region
56Years

Notable Signals

long arc increasecomputed index

American Robin has risen sharply in Southern Rockies / Colorado Plateau: up 55% on the route-weighted index since 1970.

Forecast

If the recent trend holds, American Robin in Southern Rockies / Colorado Plateau is projected to rise about 20% by 2029 — from 23 in 2024 to a central estimate of 28 (95% range 20–37). A 5-year backtest shows a typical error of ±13.8%, with 100% of held-out values landing inside the 95% band.

+20%Change by 2029
28Projected 2029 index
20–3795% range
±13.8%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
2025281936
2026281936
2027281937
2028282037
2029282037

Routes In Southern Rockies / Colorado Plateau

Routes recording American Robin in Southern Rockies / Colorado Plateau.
YampaCOLORADO1932023
Buffalo ParkCOLORADO1912023
Deadman Rd.COLORADO1312024
Dolores RivCOLORADO1142024
Stillwater PassCOLORADO1072009
Ragged Mtn.COLORADO1032019
GooseberryUTAH862024
Red Spur Mtn.UTAH812023
Dixie NfUTAH772024
Logan CanyonUTAH772019
TsaileARIZONA672023
FerronUTAH662022
Fox CreekCOLORADO652024
Uintah NfUTAH651994
AspenCOLORADO642024
KamasUTAH632024
Douglas PassCOLORADO622024
CastletonCOLORADO622024
Gribbles PrkCOLORADO612024
Mcphee Res.COLORADO582024
Blackhead PkCOLORADO572021
HannaUTAH572024
Marshall PasCOLORADO562019
Grizzly RdgeUTAH562024
Fox ParkWYOMING552024

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