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

Horned Grebe In Northern Pacific Rainforest

All regionsNorthern Pacific RainforestWetland birds

Horned Grebe in Northern Pacific Rainforest has declined: down 37% on the route-weighted index since 1995.

-37%Since 1995TrendPercent 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 →
3Routes 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 →

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

Routes In Northern Pacific Rainforest

Routes recording Horned Grebe 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 →
CordovaALASKA22022
Sheep MtnALASKA12007
Copper RiverALASKA12011

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