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

Spotted Towhee In Southern Rockies / Colorado Plateau

All regionsSouthern Rockies / Colorado PlateauGeneralists

Spotted Towhee in Southern Rockies / Colorado Plateau has surged: up 270% on the route-weighted index since 1970.

+270%Since 1970
198Routes In Region
56Years

Notable Signals

long arc increasecomputed index

Spotted Towhee has surged in Southern Rockies / Colorado Plateau: up 270% on the route-weighted index since 1970.

Forecast

If the recent trend holds, Spotted Towhee in Southern Rockies / Colorado Plateau is projected to stay roughly flat through 2029, near 8.3 (95% range 5.2–11). A 5-year backtest shows a typical error of ±21.2%, with 100% of held-out values landing inside the 95% band.

-9%Change by 2029
8.3Projected 2029 index
5.2–1195% range
±21.2%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
20258.04.911
20268.05.011
20278.15.111
20288.25.111
20298.35.211

Routes In Southern Rockies / Colorado Plateau

Routes recording Spotted Towhee in Southern Rockies / Colorado Plateau.
Mesaverde NpCOLORADO1432024
Claunch 2NEW-MEXICO682024
Baxter PassCOLORADO642024
Hill CreekUTAH571995
Douglas PassCOLORADO512024
AngoraCOLORADO492024
ClaunchNEW-MEXICO452000
AnethUTAH432024
LudlowCOLORADO382016
CokedaleCOLORADO352024
Yellowjacket PassCOLORADO322024
Haycamp MesaCOLORADO312024
PecosNEW-MEXICO312017
La CienegaNEW-MEXICO292022
La Sal 2UTAH272006
BonanzaUTAH262015
NuclaCOLORADO252024
WellingtonUTAH252002
Wilson CreekCOLORADO242024
MonticelloUTAH242024
McgaffeyNEW-MEXICO232023
Angel Fire 2NEW-MEXICO222024
YampaCOLORADO202023
DinosaurCOLORADO202024
WalsenburgCOLORADO202024

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