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

White-crowned Sparrow In Southern Rockies / Colorado Plateau

All regionsSouthern Rockies / Colorado PlateauGeneralists

White-crowned Sparrow in Southern Rockies / Colorado Plateau has surged: up 857% on the route-weighted index since 1970.

+857%Since 1970
123Routes In Region
56Years

Notable Signals

long arc increasecomputed index

White-crowned Sparrow has surged in Southern Rockies / Colorado Plateau: up 857% on the route-weighted index since 1970.

Forecast

If the recent trend holds, White-crowned Sparrow in Southern Rockies / Colorado Plateau is projected to rise about 32% by 2029 — from 4.4 in 2024 to a central estimate of 5.8 (95% range 3.4–8.3). A 5-year backtest shows a typical error of ±62.1%, with 60% of held-out values landing inside the 95% band.

+32%Change by 2029
5.8Projected 2029 index
3.4–8.395% range
±62.1%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
20255.53.17.9
20265.63.18.0
20275.73.28.1
20285.83.38.2
20295.83.48.3

Routes In Southern Rockies / Colorado Plateau

Routes recording White-crowned Sparrow in Southern Rockies / Colorado Plateau.
Stillwater Pass 2COLORADO632024
GooseberryUTAH492024
Buffalo ParkCOLORADO382023
SoapstoneUTAH382024
Stillwater PassCOLORADO352009
Navajo LakeUTAH352024
Steamboat L.COLORADO342024
Ragged Mtn.COLORADO342019
Willow PeakCOLORADO322021
Lake CityCOLORADO312003
CastletonCOLORADO292024
YampaCOLORADO262023
Red CliffCOLORADO262024
Weston Pass 2COLORADO262024
Skyline DrivUTAH262016
Heber Mtn.UTAH262024
Ryan ParkWYOMING262023
Wasatch NfUTAH232024
Dunckley PasCOLORADO222024
Mount EvansCOLORADO222024
HeeneyCOLORADO212019
TincupCOLORADO202024
WaldenCOLORADO192024
Lost LakeCOLORADO192024
Weston PassCOLORADO192000

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