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

Northern Bobwhite In Northern Pacific Rainforest

All regionsNorthern Pacific RainforestGrassland birds

Northern Bobwhite in Northern Pacific Rainforest has fallen sharply: down 69% on the route-weighted index since 1976.

-69%Since 1976TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →
9Routes In RegionSurvey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
12YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable SignalsNotable signalsLong-arc shifts the engine flags automatically — sustained declines or increases large enough to stand out from year-to-year noise.Full methodology →

long arc declinecomputed indexTrend sourceWhether the figure is our own computed route-weighted index or an official USGS modeled estimate. The current build labels every trend as computed.Full methodology →

Northern Bobwhite has fallen sharply in Northern Pacific Rainforest: down 68% on the route-weighted index since 1976.

Routes In Northern Pacific Rainforest

Routes recording Northern Bobwhite in Northern Pacific Rainforest.
Recent countThe raw number of individuals recorded on this route in its most recent survey year. A single-route tally, not a trend.Full methodology →
TualatinOREGON21968
WinberryOREGON21989
McchordWASHINGTON22001
TimberOREGON12006
CanbyOREGON12005
Port AngelesWASHINGTON11976
CamasWASHINGTON12001
MendotaWASHINGTON11988
RainierWASHINGTON12005

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