BBS Route · Washington · BCR 9

Wilbur Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 128 species recorded across 34 survey years, still active.

Bird Species Found on Washington Wilbur

Top 40 of 128 species by most recent count. Each links to its species trend.

Species recorded on the Wilbur 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 LarkAlaudidae1072024+145%1985
Red-winged BlackbirdIcteridae702024+300%1985
European StarlingSturnidae302024+127%1985
Northern ShovelerAnatidae302004+650%1984
Ring-necked PheasantPhasianidae282024-31%1985
Cliff SwallowHirundinidae282024-39%1987
Western MeadowlarkIcteridae272024-1%1985
Red CrossbillFringillidae232022+44%1989
Savannah SparrowPasserellidae202024+200%1986
American GoldfinchFringillidae152024+133%1989
Vesper SparrowPasserellidae132024+40%1987
Common RavenCorvidae122024+192%1985
American RobinTurdidae122024+75%1985
Rock PigeonColumbidae112024+400%1986
RedheadAnatidae102005+400%1984
Ruddy DuckAnatidae102005+58%1985
Tree SwallowHirundinidae102024+220%2017
Bank SwallowHirundinidae82024+13%1987
Brewer's BlackbirdIcteridae72023-44%1985
Song SparrowPasserellidae62024+400%1985
California QuailOdontophoridae62024+667%1989
Northern Rough-winged SwallowHirundinidae62017+120%1993
Short-eared OwlStrigidae52023+38%1985
Grasshopper SparrowPasserellidae52019+14%1987
Northern House WrenTroglodytidae52024+20%1985
GadwallAnatidae52022-61%2005
Northern HarrierAccipitridae52021-20%1990
Western KingbirdTyrannidae42024+29%1985
Black-billed MagpieCorvidae42024-82%1985
Barn SwallowHirundinidae42024-81%1985
Yellow WarblerParulidae42024+50%1986
Spotted TowheePasserellidae42024+21%1988
House FinchFringillidae42024+120%1990
Cedar WaxwingBombycillidae42012+300%1989
Lazuli BuntingCardinalidae42024+650%2005
Eurasian Collared-DoveColumbidae42024+125%2019
KilldeerCharadriidae32023-21%1985
American KestrelFalconidae32023-53%1985
Yellow-headed BlackbirdIcteridae32024-50%1985
MacGillivray's WarblerParulidae32013+200%1983

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