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

Townsend's Solitaire In Southern Rockies / Colorado Plateau

All regionsSouthern Rockies / Colorado PlateauForest birds

Townsend's Solitaire in Southern Rockies / Colorado Plateau has surged: up 266% on the route-weighted index since 1970.

+266%Since 1970
142Routes In Region
56Years

Notable Signals

long arc increasecomputed index

Townsend's Solitaire has surged in Southern Rockies / Colorado Plateau: up 266% on the route-weighted index since 1970.

Forecast

If the recent trend holds, Townsend's Solitaire in Southern Rockies / Colorado Plateau is projected to rise about 63% by 2029 — from 0.41 in 2024 to a central estimate of 0.67 (95% range 0.36–0.98). A 5-year backtest shows a typical error of ±64.4%, with 60% of held-out values landing inside the 95% band.

+63%Change by 2029
0.67Projected 2029 index
0.36–0.9895% range
±64.4%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
20250.640.340.95
20260.650.340.96
20270.660.350.96
20280.660.360.97
20290.670.360.98

Routes In Southern Rockies / Colorado Plateau

Routes recording Townsend's Solitaire in Southern Rockies / Colorado Plateau.
Piceance BasinCOLORADO112004
HuntARIZONA81992
Deadman Rd.COLORADO82024
Moon PassCOLORADO82024
Buffalo ParkCOLORADO72023
Mount EvansCOLORADO62024
Bluewater LakeNEW-MEXICO52019
Moon Lake 2UTAH42023
Fox ParkWYOMING42024
TsaileARIZONA32022
CastletonCOLORADO32022
Guanella PasCOLORADO32024
DinosaurCOLORADO32002
Weston PassCOLORADO31999
ComoCOLORADO32024
Cochetopa PassCOLORADO32023
VallecitosNEW-MEXICO32023
Mt. Taylor 2NEW-MEXICO32024
FayetteUTAH32010
Beck 2UTAH32018
Heber Mtn.UTAH32024
SawmillARIZONA22014
YampaCOLORADO22019
Wilson CreekCOLORADO22017
Lost LakeCOLORADO22024

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