BirdAnalyst
BBS Route · Washington · BCR 9

Reardan Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 131 species recorded across 51 survey years, still active.

131Species 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 →
51Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1968–2025Span
8Observers

Bird Species Found on Washington Reardan

Top 40 of 131 species by most recent count. Each links to its species trend.

Species recorded on the Reardan 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 LarkAlaudidae542025+123%1970
Red-winged BlackbirdIcteridae332025+17%1970
House SparrowPasseridae242025-29%1970
European StarlingSturnidae202025-27%1970
Ring-necked PheasantPhasianidae192025+229%1970
Marsh WrenTroglodytidae192014+400%2003
Savannah SparrowPasserellidae182025+414%1970
American GoldfinchFringillidae162024+0%1970
Cliff SwallowHirundinidae162025-52%1970
American RobinTurdidae142025-4%1970
Western MeadowlarkIcteridae122025-63%1970
Yellow WarblerParulidae102024-33%1970
California QuailOdontophoridae82025+467%1972
Barn SwallowHirundinidae72023-75%1970
Common RavenCorvidae72025+700%1977
Eurasian Collared-DoveColumbidae72025+29%2014
KilldeerCharadriidae62025-63%1970
Red-tailed HawkAccipitridae62024+180%1971
House FinchFringillidae62025+38%1971
Mourning DoveColumbidae52025-40%1970
Black-billed MagpieCorvidae52025-51%1970
Yellow-headed BlackbirdIcteridae52025-74%1970
Song SparrowPasserellidae52025+167%1970
Spotted TowheePasserellidae52024+150%1971
Black-capped ChickadeeParidae52024-43%1970
Common YellowthroatParulidae52025+400%1971
Cedar WaxwingBombycillidae52022+43%2000
Brewer's BlackbirdIcteridae42025-87%1970
Chipping SparrowPasserellidae42024-44%1970
Lazuli BuntingCardinalidae42024+20%1970
Warbling VireoVireonidae42023+17%1970
Red CrossbillFringillidae42024-2%1972
Pygmy NuthatchSittidae42024+117%1971
Ring-billed GullLaridae42006+40%1987
Great Blue HeronArdeidae32021+67%1992
Vesper SparrowPasserellidae32024-88%1970
Bank SwallowHirundinidae32014-98%1970
Northern Rough-winged SwallowHirundinidae32024-13%1970
American CrowCorvidae32024+0%1972
Evening GrosbeakFringillidae31986-17%1973

Source: USGS North American Breeding Bird Survey, retrieved 2026-08-14. A route is a sample, not a census.