BirdAnalyst
BBS Route · Washington · BCR 9

Potholes Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 86 species recorded across 18 survey years, still active.

86Species RecordedSpecies recordedDistinct species detected on standard-protocol BBS runs here across all years on record — a measure of survey breadth, not a complete checklist.Full methodology →
18Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1996–2023Span
3Observers

Bird Species Found on Washington Potholes

Top 40 of 86 species by most recent count. Each links to its species trend.

Species recorded on the Potholes route.
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 →TrendPercent 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 →Baseline yearThe first year of the smoothed window the trend is measured from. An earlier baseline means a longer record stands behind the number.Full methodology →History
Cliff SwallowHirundinidae1232023+188%2005
Red-winged BlackbirdIcteridae852023-47%2005
Barn SwallowHirundinidae802023+6%2005
European StarlingSturnidae732023+29%2005
California GullLaridae712019-70%2005
Brewer's BlackbirdIcteridae622023-52%2005
House FinchFringillidae442023+154%2005
American RobinTurdidae432023+15%2005
Common RavenCorvidae322023+142%2005
Western MeadowlarkIcteridae302023-75%2005
Western KingbirdTyrannidae272023-4%2005
KilldeerCharadriidae262023+72%2005
House SparrowPasseridae222023+70%2005
Ring-billed GullLaridae222023-60%2008
Rock PigeonColumbidae202023+117%2005
American GoldfinchFringillidae172023+146%2005
Eurasian Collared-DoveColumbidae122023+140%2014
Mourning DoveColumbidae112023-41%2005
California QuailOdontophoridae92023+164%2005
Yellow-headed BlackbirdIcteridae92023-20%2005
Northern Rough-winged SwallowHirundinidae82023+50%2006
Bullock's OrioleIcteridae72019-24%2005
Double-crested CormorantPhalacrocoracidae62015-61%2005
Black-billed MagpieCorvidae62023-58%2005
American CrowCorvidae62023+55%2006
Loggerhead ShrikeLaniidae61997+500%1996
Brown-headed CowbirdIcteridae52023+10%2005
American White PelicanPelecanidae52016n/an/a
Black-crowned Night HeronArdeidae42019+300%2015
Northern HarrierAccipitridae42019+120%2005
Savannah SparrowPasserellidae42019-57%2005
Song SparrowPasserellidae42023-42%2005
Cinnamon TealAnatidae42019+20%2013
Wood DuckAnatidae42013+33%1997
Wilson's SnipeScolopacidae42019-17%2006
Common YellowthroatParulidae42023+133%2006
Bank SwallowHirundinidae32023-4%2005
Marsh WrenTroglodytidae32023-9%2006
CanvasbackAnatidae31997n/an/a
Lesser ScaupAnatidae32023+200%2009

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.