Species · BCR 33 · BBS 2025 Release · 1966–2024

American Crow In Sonoran and Mojave Deserts

American Crow in Sonoran and Mojave Deserts has surged: up 391% on the route-weighted index since 1973.

+391%Since 1973
10Routes In Region
39Years

Notable Signals

long arc increasecomputed index

American Crow has surged in Sonoran and Mojave Deserts: up 391% on the route-weighted index since 1973.

Forecast

If the recent trend holds, American Crow in Sonoran and Mojave Deserts is projected to fall about 95% by 2029 — from 1.7 in 2024 to a central estimate of 0.08 (95% range 0.00–1.1). A 5-year backtest shows a typical error of ±470.6%, with 80% of held-out values landing inside the 95% band.

-95%Change by 2029
0.08Projected 2029 index
0.001.195% range
±470.6%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
20250.090.001.1
20260.090.001.1
20270.080.001.1
20280.080.001.1
20290.080.001.1

Routes In Sonoran and Mojave Deserts

Routes recording American Crow in Sonoran and Mojave Deserts.
Lucerne ValCALIFORNIA492024
Kelso ValleyCALIFORNIA151976
Valley WellsCALIFORNIA22008
Anza BorregoCALIFORNIA22019
Coachella CnCALIFORNIA21978
Lone PineCALIFORNIA22009
LagunaARIZONA11977
OnyxCALIFORNIA11976
LenwoodCALIFORNIA11992
PearblossomCALIFORNIA12024

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