BirdAnalyst
Species · BCR 15 · BBS 2025 Release · 1966–2024

American Crow In Sierra Nevada

All regionsSierra NevadaGeneralists

American Crow in Sierra Nevada has surged: up 88% on the route-weighted index since 1974.

+88%Since 1974
18Routes In Region
51Years

Notable Signals

long arc increasecomputed index

American Crow has surged in Sierra Nevada: up 87% on the route-weighted index since 1974.

Forecast

If the recent trend holds, American Crow in Sierra Nevada is projected to fall about 59% by 2029 — from 2.7 in 2024 to a central estimate of 1.1 (95% range 0.00–3.9). A 5-year backtest shows a typical error of ±51.1%, with 100% of held-out values landing inside the 95% band.

-59%Change by 2029
1.1Projected 2029 index
0.00–3.995% range
±51.1%Backtest error
19722029
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
20251.10.003.9
20261.10.003.9
20271.10.003.9
20281.10.003.9
20291.10.003.9

Routes In Sierra Nevada

Routes recording American Crow in Sierra Nevada.
Hat CreekCALIFORNIA202016
ChilcootCALIFORNIA192024
PaxtonCALIFORNIA182024
Higgins CornCALIFORNIA112024
Silver CityCALIFORNIA42003
LakeshoreCALIFORNIA31984
Greenhorn MtCALIFORNIA22006
SattleyCALIFORNIA22013
Meadow ValleyCALIFORNIA22024
Little TruckeeCALIFORNIA22007
Forest Hill 2CALIFORNIA22005
DardanelleCALIFORNIA11980
JohnsvilleCALIFORNIA11990
WoodfordsCALIFORNIA12022
Tuolumne GroveCALIFORNIA11980
GeneseeCALIFORNIA12024
DownievilleCALIFORNIA12007
Pollock PinesCALIFORNIA11997

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