Species · BCR 35 · BBS 2025 Release · 1966–2024

Woodhouse's Scrub-Jay In Chihuahuan Desert

Woodhouse's Scrub-Jay in Chihuahuan Desert has fallen sharply: down 71% on the route-weighted index since 1970.

-71%Since 1970
20Routes In Region
56Years

Notable Signals

long arc declinecomputed index

Woodhouse's Scrub-Jay has fallen sharply in Chihuahuan Desert: down 71% on the route-weighted index since 1970.

Forecast

If the recent trend holds, Woodhouse's Scrub-Jay in Chihuahuan Desert is projected to stay roughly flat through 2029, near 0.58 (95% range 0.00–1.8). A 5-year backtest shows a typical error of ±110.9%, with 100% of held-out values landing inside the 95% band.

-2%Change by 2029
0.58Projected 2029 index
0.001.895% range
±110.9%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
20250.640.001.9
20260.630.001.8
20270.610.001.8
20280.590.001.8
20290.580.001.8

Routes In Chihuahuan Desert

Routes recording Woodhouse's Scrub-Jay in Chihuahuan Desert.
CloudcroftNEW-MEXICO91979
CarrizozoNEW-MEXICO62024
Capitan Mtn.NEW-MEXICO52017
PinonNEW-MEXICO52024
ValentineTEXAS51987
Bear MtnTEXAS42024
LaborcitaNEW-MEXICO32002
OzonaTEXAS32022
Ft. StocktonTEXAS32008
Red RockNEW-MEXICO22022
QueenNEW-MEXICO22021
LongfellowTEXAS22019
Devils R CynTEXAS22024
ToyahvaleTEXAS21999
Salt FlatTEXAS22013
GageNEW-MEXICO12002
RodeoNEW-MEXICO12010
Lake ValleyNEW-MEXICO11982
AltudaTEXAS11985
Ft. DavisTEXAS12023

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