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BBS Route · Washington · BCR 9

Harrington Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 84 species recorded across 21 survey years, still active.

84Species 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 →
21Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1972–2012Span
7Observers

Bird Species Found on Washington Harrington

Top 40 of 84 species by most recent count. Each links to its species trend.

Species recorded on the Harrington 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
Horned LarkAlaudidae1812012+170%1977
Red-winged BlackbirdIcteridae68201212×1977
Vesper SparrowPasserellidae362012+333%1981
Western MeadowlarkIcteridae352012-13%1974
Barn SwallowHirundinidae322012+282%1974
Cliff SwallowHirundinidae32201211×1989
Tree SwallowHirundinidae252012+767%1974
Brown-headed CowbirdIcteridae222012+105%1980
Savannah SparrowPasserellidae172012+100%1987
Ring-necked PheasantPhasianidae142012+306%1974
European StarlingSturnidae142012-39%1980
American RobinTurdidae132012+24%1974
Bank SwallowHirundinidae132012+100%2001
Mourning DoveColumbidae122012-16%1977
House SparrowPasseridae122012+100%1980
Green-winged TealAnatidae122000+300%1984
Band-tailed PigeonColumbidae111972n/an/a
Gray PartridgePhasianidae102004+0%1981
Black-billed MagpieCorvidae92012-19%1980
Common NighthawkCaprimulgidae82012+0%1974
Song SparrowPasserellidae82005+4%1974
Northern PintailAnatidae81984+167%1977
RedheadAnatidae81980n/an/a
Canada GooseAnatidae62012-88%2002
Grasshopper SparrowPasserellidae62005+100%1990
White-throated SwiftApodidae62012n/an/a
KilldeerCharadriidae52012+0%1977
Red-tailed HawkAccipitridae52012+40%1981
Sage ThrasherMimidae52005+325%1981
California QuailOdontophoridae52012-13%1982
American CrowCorvidae52012+400%2001
Brewer's BlackbirdIcteridae42012-60%1977
American CootRallidae42012+39%1981
Yellow-headed BlackbirdIcteridae42012-92%1981
Ring-billed GullLaridae42012+67%1982
Northern Rough-winged SwallowHirundinidae42004+0%1982
Blue-winged TealAnatidae42000+300%1981
American GoldfinchFringillidae42012-17%1999
Lesser ScaupAnatidae42001+0%1999
Northern HarrierAccipitridae32012+100%1981

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