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

American Goshawk In Sierra Nevada

All regionsSierra NevadaGeneralists

American Goshawk in Sierra Nevada has declined: down 38% on the route-weighted index since 1979.

-38%Since 1979
18Routes In Region
28Years

Notable Signals

No notable trend signals for American Goshawk in Sierra Nevada. See the full index history below.

Forecast

If the recent trend holds, American Goshawk in Sierra Nevada is projected to fall about 20% by 2028 — from 0.06 in 2023 to a central estimate of 0.05 (95% range 0.00–0.13). A 5-year backtest shows a typical error of ±36.3%, with 100% of held-out values landing inside the 95% band.

-20%Change by 2028
0.05Projected 2028 index
0.00–0.1395% range
±36.3%Backtest error
19742028
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
20240.050.000.13
20250.050.000.13
20260.050.000.13
20270.050.000.13
20280.050.000.13

Routes In Sierra Nevada

Routes recording American Goshawk in Sierra Nevada.
Eagle LakeCALIFORNIA12021
WestvilleCALIFORNIA12022
JohnsvilleCALIFORNIA12017
WoodfordsCALIFORNIA12023
LumberyardCALIFORNIA12006
Greenhorn MtCALIFORNIA11986
Tuolumne GroveCALIFORNIA12011
Butte MeadowCALIFORNIA11980
GeneseeCALIFORNIA11993
RivertonCALIFORNIA12012
Hat CreekCALIFORNIA12004
LakeshoreCALIFORNIA12001
Chaos CraterCALIFORNIA12000
Meadow ValleyCALIFORNIA12017
Little TruckeeCALIFORNIA12001
Pollock PinesCALIFORNIA12014
CoultervilleCALIFORNIA12012
Pine MountainCALIFORNIA12003

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