BirdAnalyst
BBS Route · Washington · BCR 10

Cusick Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 132 species recorded across 38 survey years, still active.

132Species 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 →
38Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1982–2025Span
4Observers

Bird Species Found on Washington Cusick

Top 40 of 132 species by most recent count. Each links to its species trend.

Species recorded on the Cusick 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
Swainson's ThrushTurdidae562025+7%1987
American RobinTurdidae562025+62%1987
Red-breasted NuthatchSittidae482025+221%1987
Pine SiskinFringillidae402025-21%1987
Violet-green SwallowHirundinidae402024+88%1989
Hammond's FlycatcherTyrannidae282025+725%1991
Western TanagerCardinalidae27202517×1987
Chipping SparrowPasserellidae262025+43%1987
Orange-crowned WarblerParulidae232025+113%1987
Cassin's VireoVireonidae222025+144%1987
Warbling VireoVireonidae212025+480%1987
Western Wood-PeweeTyrannidae172025+575%1989
Red CrossbillFringillidae172025-3%1987
Townsend's WarblerParulidae142025-6%1987
Canada GooseAnatidae122024+260%1991
Red-eyed VireoVireonidae122025-15%1987
Chestnut-backed ChickadeeParidae122025+119%1990
Spotted TowheePasserellidae112025-45%1987
Song SparrowPasserellidae102025+4%1987
Cedar WaxwingBombycillidae92025+150%1988
Yellow WarblerParulidae72025+15%1987
Hairy WoodpeckerPicidae72025+13%1988
MacGillivray's WarblerParulidae62025-21%1987
Evening GrosbeakFringillidae62024+400%1988
Bank SwallowHirundinidae62017-90%1992
Common GoldeneyeAnatidae62025-11%2000
Common RavenCorvidae52025+32%1987
Brown-headed CowbirdIcteridae52025-51%1987
Black-headed GrosbeakCardinalidae52025-18%1987
American RedstartParulidae52025+57%1988
European StarlingSturnidae52010-9%1995
Red-naped SapsuckerPicidae42025+17%1987
American CrowCorvidae42025+275%1989
Nashville WarblerParulidae42025+450%1987
Golden-crowned KingletRegulidae42025+25%1987
Vaux's SwiftApodidae42024+33%2015
Turkey VultureCathartidae42024+167%2011
Ruffed GrousePhasianidae32024+100%1989
Olive-sided FlycatcherTyrannidae32025+50%1987
Dusky FlycatcherTyrannidae32025-58%1987

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