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

Bushtit In Southern Rockies / Colorado Plateau

Bushtit in Southern Rockies / Colorado Plateau has declined: down 45% on the route-weighted index since 1970.

-45%Since 1970
120Routes In Region
56Years

Notable Signals

No notable trend signals for Bushtit in Southern Rockies / Colorado Plateau. See the full index history below.

Forecast

If the recent trend holds, Bushtit in Southern Rockies / Colorado Plateau is projected to fall about 28% by 2029 — from 0.73 in 2024 to a central estimate of 0.52 (95% range 0.00–1.5). A 5-year backtest shows a typical error of ±71.1%, with 100% of held-out values landing inside the 95% band.

-28%Change by 2029
0.52Projected 2029 index
0.001.595% range
±71.1%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
20250.530.001.5
20260.530.001.5
20270.530.001.5
20280.530.001.5
20290.520.001.5

Routes In Southern Rockies / Colorado Plateau

Routes recording Bushtit in Southern Rockies / Colorado Plateau.
La CienegaNEW-MEXICO492022
ShivwitzUTAH232024
Navajo LakeUTAH221969
Rose WellsARIZONA211969
FarmingtonNEW-MEXICO201983
PecosNEW-MEXICO192017
ZeniffARIZONA171984
Animas 2COLORADO142017
La Sal 2UTAH132006
DeltaCOLORADO122021
BasinCOLORADO122023
House RockARIZONA102022
CortezCOLORADO102008
LudlowCOLORADO102009
FerronUTAH102009
La Sal 3UTAH102024
CanyonlandsUTAH102006
Claunch 2NEW-MEXICO92024
FruitaCOLORADO82000
AnimasCOLORADO82004
Fish Lake NfUTAH82024
FayetteUTAH82006
ToroweapARIZONA62024
Castle ButteARIZONA61993
RosevaleCOLORADO62024

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