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

Northern Pygmy-Owl In Coastal California

All regionsCoastal CaliforniaGeneralists

Northern Pygmy-Owl in Coastal California has declined: down 50% on the route-weighted index since 1972.

-50%Since 1972
37Routes In Region
51Years

Notable Signals

No notable trend signals for Northern Pygmy-Owl in Coastal California. See the full index history below.

Forecast

If the recent trend holds, Northern Pygmy-Owl in Coastal California is projected to stay roughly flat through 2027, near 0.08 (95% range 0.00–0.19). A 5-year backtest shows a typical error of ±390.2%, with 100% of held-out values landing inside the 95% band.

n/aChange by 2027
0.08Projected 2027 index
0.00–0.1995% range
±390.2%Backtest error
19692027
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
20230.080.000.19
20240.080.000.19
20250.080.000.19
20260.080.000.19
20270.080.000.19

Routes In Coastal California

Routes recording Northern Pygmy-Owl in Coastal California.
San Benito Mtn.CALIFORNIA32005
Mesa GrandeCALIFORNIA22002
ValyermoCALIFORNIA22012
AdelaidaCALIFORNIA21977
JacksonCALIFORNIA21975
Waterman GapCALIFORNIA22013
Glen EllenCALIFORNIA21995
Cal Hot SpgsCALIFORNIA22016
TomheadCALIFORNIA22006
Hough SpringsCALIFORNIA22004
CalpellaCALIFORNIA11981
RumseyCALIFORNIA11994
Santa YnezCALIFORNIA11988
Mt PinosCALIFORNIA11969
CoalingaCALIFORNIA12012
Point ReyesCALIFORNIA12002
CohassetCALIFORNIA12014
FairfaxCALIFORNIA11973
OnoCALIFORNIA11999
FolsomCALIFORNIA11991
Carmel ValCALIFORNIA12000
Lockwood ValCALIFORNIA12008
Elizabeth LkCALIFORNIA11976
Lake CachumaCALIFORNIA12013
White RiverCALIFORNIA11990

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