BBS Route · Washington · BCR 9

Keystone Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 89 species recorded across 30 survey years, still active.

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.
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
European StarlingSturnidae1502025+91%1996
Horned LarkAlaudidae1032025-1%1996
Western MeadowlarkIcteridae992025-27%1996
Cliff SwallowHirundinidae482025-20%1996
Red-winged BlackbirdIcteridae402025+1%1996
Ring-necked PheasantPhasianidae272025+130%1996
Savannah SparrowPasserellidae242025-70%1996
Yellow-headed BlackbirdIcteridae232025-65%1996
Brewer's BlackbirdIcteridae222025-66%1996
Barn SwallowHirundinidae222025-31%1996
Mourning DoveColumbidae152025+153%1996
Western KingbirdTyrannidae152025-10%1996
Vesper SparrowPasserellidae132025+0%1996
Rock PigeonColumbidae122025+163%1996
House SparrowPasseridae102025+17%1997
Common RavenCorvidae92025+400%1997
Brown-headed CowbirdIcteridae92025-71%1996
California QuailOdontophoridae92025+167%2010
Grasshopper SparrowPasserellidae82025-67%1996
Swainson's HawkAccipitridae72025+54%1996
Black-billed MagpieCorvidae72025-33%1996
Red-tailed HawkAccipitridae62025-3%1996
RedheadAnatidae52025+378%1996
American RobinTurdidae52025+54%1996
Song SparrowPasserellidae52025+140%1999
MallardAnatidae42025-53%1996
American CootRallidae42025+20%1996
Sage ThrasherMimidae42025+0%1997
Black-crowned Night HeronArdeidae42022-46%1997
American White PelicanPelecanidae42025-53%2001
Gray PartridgePhasianidae42025+120%1998
Bank SwallowHirundinidae42025-62%2000
House FinchFringillidae42025-21%2006
Ruddy DuckAnatidae42012n/an/a
Ring-billed GullLaridae32025-65%1996
GadwallAnatidae32024+325%1997
KilldeerCharadriidae32025-13%1997
Northern HarrierAccipitridae32025-71%1996
Common NighthawkCaprimulgidae32025-33%1997
Say's PhoebeTyrannidae32025+25%1998

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