BirdAnalyst
Species · Washington · BBS 2025 Release · 1966–2024

Anna's Hummingbird Population Trend in Washington

All statesGeneralists

Anna's Hummingbird in Washington has surged: up 12× on the route-weighted index since 2008.

12×Since 2008TrendPercent 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 →
22Routes In StateSurvey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
17YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable Anna's Hummingbird Trends in WashingtonNotable 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 increasecomputed 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 →

Anna's Hummingbird has surged in Washington: up 12× on the route-weighted index since 2008.

Anna's Hummingbird Survey Routes in Washington

Routes recording Anna's Hummingbird in Washington.
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 →
Warm Beach620172015
Everett420242014
Deception320182017
Raymond 2320222022
Warm Beach 2320242018
Ilwaco220241989
Hurricane Rg220172017
Mukilteo220242013
Concrete220172017
Port Angeles120242013
Twisp120242018
Vashon Is.120232013
Cougar120222022
Snowden120182012
Kendall120242010
South Elma120232023
Raymond120182018
Rainier120142012
Yakima120212021
Carnation120242008
Lake Chelan120232022
Mendota 3120152015

Anna's Hummingbird Population Trend in Other States

alaskaarizonacalifornianevadaoregon

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