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

Redhead In Southern Rockies / Colorado Plateau

Redhead in Southern Rockies / Colorado Plateau has fallen sharply: down 66% on the route-weighted index since 1980.

-66%Since 1980
29Routes In Region
44Years

Notable Signals

long arc declinecomputed index

Redhead has fallen sharply in Southern Rockies / Colorado Plateau: down 66% on the route-weighted index since 1980.

Forecast

If the recent trend holds, Redhead in Southern Rockies / Colorado Plateau is projected to stay roughly flat through 2029, near 0.06 (95% range 0.00–0.75). A 5-year backtest shows a typical error of ±222.8%, with 100% of held-out values landing inside the 95% band.

n/aChange by 2029
0.06Projected 2029 index
0.000.7595% range
±222.8%Backtest error
19692029
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
20250.080.000.77
20260.070.000.77
20270.070.000.76
20280.060.000.76
20290.060.000.75

Routes In Southern Rockies / Colorado Plateau

Routes recording Redhead in Southern Rockies / Colorado Plateau.
CapulinNEW-MEXICO91993
GuffeyCOLORADO82016
HatchUTAH82003
Rio Grnds RsCOLORADO62012
ThomasvilleCOLORADO61992
DinosaurCOLORADO62024
Mcphee Res.COLORADO52019
FalfaCOLORADO41987
BrookhurstWYOMING42019
DoylevilleCOLORADO32007
BeckUTAH31986
MoffatCOLORADO21992
DoloresCOLORADO21975
AlamosaCOLORADO22023
San LuisCOLORADO22009
PiedraCOLORADO22022
Fox CreekCOLORADO22021
Navajo LakeUTAH21993
M Warner ResUTAH22010
Castle DaleUTAH22015
La Sal 2UTAH22006
WaldenCOLORADO12010
Willow PeakCOLORADO12010
CortezCOLORADO12006
TincupCOLORADO12018

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