BirdAnalyst
BBS Route · Washington · BCR 9

Keystone Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 89 species recorded across 29 survey years, still active.

89Species Recorded
29Years Surveyed
1994–2024Span
1Observers

Bird Species Found on Washington Keystone

Top 40 of 89 species by most recent count. Each links to its species trend.

Species recorded on the Keystone route.
History
Horned LarkAlaudidae1162024+6%1996
Western MeadowlarkIcteridae1002024-27%1996
Ring-billed GullLaridae802024-51%1996
Cliff SwallowHirundinidae692024-5%1996
California GullLaridae482024+50%1996
European StarlingSturnidae462024+16%1996
Red-winged BlackbirdIcteridae452024+8%1996
RedheadAnatidae362024+389%1996
House SparrowPasseridae262024+14%1997
Rock PigeonColumbidae232024+130%1996
Savannah SparrowPasserellidae212024-65%1996
Vesper SparrowPasserellidae152024+21%1996
Ring-necked PheasantPhasianidae112024+53%1996
Red-tailed HawkAccipitridae112024-7%1996
Brewer's BlackbirdIcteridae112024-65%1996
American RobinTurdidae102024+62%1996
Swainson's HawkAccipitridae82024+54%1996
Barn SwallowHirundinidae82024-40%1996
Western KingbirdTyrannidae62024-43%1996
Common RavenCorvidae62024+500%1997
Brewer's SparrowPasserellidae62024-8%1997
KilldeerCharadriidae52024-7%1997
Mourning DoveColumbidae52024+127%1996
Brown-headed CowbirdIcteridae52024-66%1996
House FinchFringillidae52018-14%2006
California QuailOdontophoridae52024+67%2010
Black-crowned Night HeronArdeidae42022-46%1997
Ruddy DuckAnatidae42012n/an/a
GadwallAnatidae32024+325%1997
Eastern KingbirdTyrannidae32023-36%1996
Say's PhoebeTyrannidae32024+0%1998
Willow FlycatcherTyrannidae32023+40%1997
Gray PartridgePhasianidae32023+80%1998
MallardAnatidae22024-63%1996
Wilson's SnipeScolopacidae22024+50%2002
American KestrelFalconidae22021-40%1996
Black-billed MagpieCorvidae22024-61%1996
Yellow-headed BlackbirdIcteridae22024-57%1996
Lark SparrowPasserellidae22014-33%2002
Blue-winged TealAnatidae22024+33%1998

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