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

Canada Jay In Southern Rockies / Colorado Plateau

All regionsSouthern Rockies / Colorado PlateauGeneralists

Canada Jay in Southern Rockies / Colorado Plateau has surged: up 152% on the route-weighted index since 1970.

+152%Since 1970
57Routes In Region
55Years

Notable Signals

long arc increasecomputed index

Canada Jay has surged in Southern Rockies / Colorado Plateau: up 152% on the route-weighted index since 1970.

Forecast

If the recent trend holds, Canada Jay in Southern Rockies / Colorado Plateau is projected to rise about 55% by 2029 — from 0.19 in 2024 to a central estimate of 0.30 (95% range 0.08–0.52). A 5-year backtest shows a typical error of ±83.1%, with 100% of held-out values landing inside the 95% band.

+55%Change by 2029
0.30Projected 2029 index
0.08–0.5295% range
±83.1%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
20250.290.070.51
20260.290.070.51
20270.300.080.52
20280.300.080.52
20290.300.080.52

Routes In Southern Rockies / Colorado Plateau

Routes recording Canada Jay in Southern Rockies / Colorado Plateau.
Buffalo ParkCOLORADO142023
Ryan ParkWYOMING102015
Navajo LakeUTAH61974
Uintah NfUTAH61987
Pinos CreekCOLORADO51990
South ForkCOLORADO52024
Mount EvansCOLORADO52024
Weston Pass 2COLORADO42022
Wasatch NfUTAH42024
Fox ParkWYOMING42023
Red CliffCOLORADO32024
Guanella PasCOLORADO32019
PinonCOLORADO32024
Cochetopa PassCOLORADO32023
AltonahUTAH31979
SoapstoneUTAH32013
FerronUTAH32002
ParlinCOLORADO22022
Lost LakeCOLORADO22018
CastletonCOLORADO22024
GuffeyCOLORADO22017
Dolores RivCOLORADO22005
Rio Grnds RsCOLORADO22000
SummitvilleCOLORADO22012
Deadman Rd.COLORADO22024

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