BBS Route · Washington · BCR 9

Carlton Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 94 species recorded across 29 survey years, still active.

94Species Recorded
29Years Surveyed
19922022Span
3Observers

Bird Species Found on Washington Carlton

Top 40 of 94 species by most recent count. Each links to its species trend.

Species recorded on the Carlton route.
History
Western TanagerCardinalidae462022+105%1995
Swainson's ThrushTurdidae292022-17%1995
Red-breasted NuthatchSittidae242022+2%1995
American RobinTurdidae142022-74%1995
Golden-crowned KingletRegulidae82017-27%1998
Cassin's VireoVireonidae72022+120%1995
Evening GrosbeakFringillidae62013+467%1997
Warbling VireoVireonidae52022-44%1995
Black SwiftApodidae52019+43%2001
Williamson's SapsuckerPicidae52022+160%2006
Canada JayCorvidae42006+300%1992
Ruby-crowned KingletRegulidae42022+0%1995
Northern Rough-winged SwallowHirundinidae42017+100%2005
Vaux's SwiftApodidae32021-17%1995
Dusky FlycatcherTyrannidae32022-92%1995
American CrowCorvidae32022-9%1998
Song SparrowPasserellidae32019+50%1995
Mountain ChickadeeParidae32022-79%1995
Red-naped SapsuckerPicidae22022-17%1996
Western Wood-PeweeTyrannidae22021-74%1995
Hammond's FlycatcherTyrannidae22022-32%1995
Common RavenCorvidae22022+183%1995
Red CrossbillFringillidae22015-23%2001
Cedar WaxwingBombycillidae22022+17%1998
Townsend's WarblerParulidae22022-82%1996
MacGillivray's WarblerParulidae22022-44%1995
Hermit ThrushTurdidae22022+25%1997
Black-headed GrosbeakCardinalidae22022-15%1996
Violet-green SwallowHirundinidae22015+0%1999
Black-capped ChickadeeParidae22022+0%1997
Townsend's SolitaireTurdidae22019-33%1997
Red-tailed HawkAccipitridae22019+25%1999
Downy WoodpeckerPicidae22007+0%1995
White-breasted NuthatchSittidae22019+67%2004
Wilson's WarblerParulidae22021-67%2000
Lesser ScaupAnatidae22014+100%1997
Varied ThrushTurdidae21999+0%1997
Green-winged TealAnatidae22000n/an/a
Brown CreeperCerthiidae22004n/an/a
SoraRallidae12008+0%2002

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