BirdAnalyst
Species · BCR 32 · BBS 2025 Release · 1966–2024

Red Crossbill In Coastal California

All regionsCoastal CaliforniaGeneralists

Red Crossbill in Coastal California has declined: down 42% on the route-weighted index since 1976.

-42%Since 1976
11Routes In Region
28Years

Notable Signals

No notable trend signals for Red Crossbill in Coastal California. See the full index history below.

Forecast

If the recent trend holds, Red Crossbill in Coastal California is projected to fall about 63% by 2024 — from 0.12 in 2019 to a central estimate of 0.04 (95% range 0.00–0.29). A 5-year backtest shows a typical error of ±78.4%, with 100% of held-out values landing inside the 95% band.

-63%Change by 2024
0.04Projected 2024 index
0.00–0.2995% range
±78.4%Backtest error
19692024
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
20200.050.000.30
20210.050.000.30
20220.050.000.30
20230.040.000.29
20240.040.000.29

Routes In Coastal California

Routes recording Red Crossbill in Coastal California.
Big BearCALIFORNIA61969
TujungaCALIFORNIA51976
ValyermoCALIFORNIA52019
Point ReyesCALIFORNIA22010
Sawmill MtnCALIFORNIA22012
Waterman GapCALIFORNIA22013
Green ValleyCALIFORNIA12018
TehamaCALIFORNIA12019
Bartlett SpsCALIFORNIA11988
PescaderoCALIFORNIA12013
Hough SpringsCALIFORNIA12002

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