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BBS Route · Alaska · BCR 4

Kuskulana Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 74 species recorded across 18 survey years, still active.

74Species 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 →
18Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1990–2025Span
4Observers

Bird Species Found on Alaska Kuskulana

Top 40 of 74 species by most recent count. Each links to its species trend.

Species recorded on the Kuskulana 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 ThrushTurdidae1022025+12%1992
White-crowned SparrowPasserellidae632025+0%1992
Ring-necked DuckAnatidae292025+356%1998
American RobinTurdidae212025-25%1992
Canada JayCorvidae182025-30%1992
Alder FlycatcherTyrannidae152025-34%1992
Orange-crowned WarblerParulidae122025+90%1993
Western Wood-PeweeTyrannidae102025+200%1992
Pine GrosbeakFringillidae102025+50%1993
Boreal ChickadeeParidae102025+86%1992
Herring GullLaridae82025+75%1997
Fox SparrowPasserellidae82025-25%1992
Lincoln's SparrowPasserellidae82025+20%1997
Common RavenCorvidae72025+40%1992
Greater ScaupAnatidae62025+43%1999
Tree SwallowHirundinidae62023+43%1999
Pine SiskinFringillidae62024-59%2015
Bald EagleAccipitridae52022+0%2015
Savannah SparrowPasserellidae52025-33%1992
Bohemian WaxwingBombycillidae52025+57%1992
MallardAnatidae52025-42%2021
Ruby-crowned KingletRegulidae42025+225%1992
Wilson's WarblerParulidae42023-53%1993
Bonaparte's GullLaridae41992n/an/a
Hermit ThrushTurdidae32024+17%1993
Common LoonGaviidae32024+50%1995
Short-billed GullLaridae31999+100%1997
American WigeonAnatidae32023-25%2021
Glaucous-winged GullLaridae21990n/an/a
Wilson's SnipeScolopacidae22022-29%1995
Lesser ScaupAnatidae22019+0%1992
Hairy WoodpeckerPicidae22021-50%1997
White-winged CrossbillFringillidae22025-89%1995
Violet-green SwallowHirundinidae22025-61%1993
Trumpeter SwanAnatidae22025-22%2017
Tennessee WarblerParulidae22017+0%1995
Solitary SandpiperScolopacidae22024-14%2018
Golden-crowned KingletRegulidae22025+25%2015
Northern ShovelerAnatidae22023+100%2018
MerlinFalconidae22024n/an/a

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