BirdAnalyst
Species · BCR 5 · BBS 2025 Release · 1966–2024

Western Gull In Northern Pacific Rainforest

All regionsNorthern Pacific RainforestWetland birds

Western Gull in Northern Pacific Rainforest has collapsed: down 96% on the route-weighted index since 1970.

-96%Since 1970
19Routes In Region
56Years

Notable Signals

long arc declinecomputed index

Western Gull has collapsed in Northern Pacific Rainforest: down 96% on the route-weighted index since 1970.

Forecast

If the recent trend holds, Western Gull in Northern Pacific Rainforest is projected to fall about 100% by 2029 — from 0.23 in 2024 to a central estimate of 0.00 (95% range 0.00–6.5). A 5-year backtest shows a typical error of ±141.8%, with 100% of held-out values landing inside the 95% band.

-100%Change by 2029
0.00Projected 2029 index
0.00–6.595% range
±141.8%Backtest error
19682029
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
20250.390.006.9
20260.280.006.8
20270.170.006.7
20280.050.006.5
20290.000.006.5

Routes In Northern Pacific Rainforest

Routes recording Western Gull in Northern Pacific Rainforest.
Bodega BayCALIFORNIA1012021
TaholahWASHINGTON472022
WedderburnOREGON152024
LaytonvilleCALIFORNIA121991
Fish RockCALIFORNIA62014
Crescent CtyCALIFORNIA42022
HauserOREGON41984
Hazel CampOREGON42022
HoneydewCALIFORNIA32017
Redwood N.P.CALIFORNIA21999
NavarroCALIFORNIA11998
GlasgowOREGON12024
Nicolai Mtn.OREGON12017
CoquilleOREGON12016
Warm BeachWASHINGTON11993
Bunker HillWASHINGTON11989
IlwacoWASHINGTON12023
RaymondWASHINGTON12013
Raymond 2WASHINGTON12024

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