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

American Dipper In Coastal California

All regionsCoastal CaliforniaGeneralists

American Dipper in Coastal California has increased: up 50% on the route-weighted index since 1978.

+50%Since 1978
7Routes In Region
14Years

Notable Signals

No notable trend signals for American Dipper in Coastal California. See the full index history below.

Routes In Coastal California

Routes recording American Dipper in Coastal California.
FallsvaleCALIFORNIA31975
Green ValleyCALIFORNIA22012
Foster ParkCALIFORNIA11978
Lake SuccessCALIFORNIA11981
Waterman GapCALIFORNIA12009
PescaderoCALIFORNIA12008
Cal Hot SpgsCALIFORNIA12008

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