BirdAnalyst
BBS Route · Washington · BCR 9

Horn Rapids Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 79 species recorded across 19 survey years, still active.

79Species 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 →
19Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
2005–2024Span
2Observers

Bird Species Found on Washington Horn Rapids

Top 40 of 79 species by most recent count. Each links to its species trend.

Species recorded on the Horn Rapids 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 SwallowHirundinidae138202419×2007
Horned LarkAlaudidae1272024-58%2007
Western MeadowlarkIcteridae702024-69%2007
Common RavenCorvidae292024+73%2007
European StarlingSturnidae252024-36%2007
Lark SparrowPasserellidae172024+170%2007
MallardAnatidae142021+120%2010
Common NighthawkCaprimulgidae132024-23%2007
Northern Rough-winged SwallowHirundinidae122015-48%2007
Mourning DoveColumbidae112024-67%2007
Rock PigeonColumbidae92010+800%2009
Eastern KingbirdTyrannidae82024+18%2007
Bank SwallowHirundinidae82024-65%2007
American GoldfinchFringillidae72019+100%2006
Red-winged BlackbirdIcteridae62024+27%2007
Black-headed GrosbeakCardinalidae62014+200%2005
American RobinTurdidae62023+114%2008
Double-crested CormorantPhalacrocoracidae52024+6%2007
American White PelicanPelecanidae52024-14%2007
California QuailOdontophoridae52024-54%2007
Canada GooseAnatidae52024+58%2008
Bullock's OrioleIcteridae42024-14%2007
Barn SwallowHirundinidae42022+130%2010
Yellow-headed BlackbirdIcteridae42024+60%2013
Ring-billed GullLaridae32024-69%2007
Swainson's HawkAccipitridae32024+133%2007
Western KingbirdTyrannidae32024-72%2007
Say's PhoebeTyrannidae32018+133%2007
Brewer's BlackbirdIcteridae32023-65%2007
Brewer's SparrowPasserellidae32011+0%2008
American CrowCorvidae32015-86%2010
Tree SwallowHirundinidae32024+67%2016
California GullLaridae22012+42%2006
Great Blue HeronArdeidae22024-83%2008
Long-billed CurlewScolopacidae22022-65%2007
Ring-necked PheasantPhasianidae22021-40%2008
Black-billed MagpieCorvidae22022-48%2007
Loggerhead ShrikeLaniidae22023-36%2007
Caspian TernLaridae22019+100%2011
OspreyPandionidae22024-14%2008

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