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

Ruddy Duck In Northern Pacific Rainforest

All regionsNorthern Pacific RainforestWaterfowl

Ruddy Duck in Northern Pacific Rainforest has fallen sharply: down 63% on the route-weighted index since 1977.

-63%Since 1977TrendPercent 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 →
4Routes 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 →
16YearsYears 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 →

No notable trend signals for Ruddy Duck in Northern Pacific Rainforest. See the full index history below.

Routes In Northern Pacific Rainforest

Routes recording Ruddy Duck 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 →
Bodega BayCALIFORNIA21977
AdairOREGON22004
YrekaCALIFORNIA12009
Warm BeachWASHINGTON11993

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