BirdAnalyst
BBS Route · Alaska · BCR 4

Swan Lake Rd Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 70 species recorded across 41 survey years, still active.

70Species 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 →
41Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1982–2023Span
6Observers

Bird Species Found on Alaska Swan Lake Rd

Top 40 of 70 species by most recent count. Each links to its species trend.

Species recorded on the Swan Lake Rd 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 ThrushTurdidae372023-12%1984
Varied ThrushTurdidae252023+190%1984
White-winged CrossbillFringillidae182023+425%1989
American RobinTurdidae112023+145%1984
Alder FlycatcherTyrannidae102023-60%1984
Bohemian WaxwingBombycillidae91994+125%1993
Canada JayCorvidae82023+108%1984
Black-capped ChickadeeParidae82023+117%1984
Olive-sided FlycatcherTyrannidae72023+48%1984
Orange-crowned WarblerParulidae62023-62%1984
Ruby-crowned KingletRegulidae62023+18%1984
Wilson's SnipeScolopacidae52023+100%1984
Common RavenCorvidae52023+56%1985
Northern WaterthrushParulidae52023-73%1984
Boreal ChickadeeParidae52023-8%1986
Sandhill CraneGruidae42022+60%1984
Pine GrosbeakFringillidae42023+100%1986
Blackpoll WarblerParulidae42017-86%1984
Golden-crowned KingletRegulidae42022+167%1992
Brown CreeperCerthiidae42023+100%2006
Red CrossbillFringillidae42023-87%2003
Pacific LoonGaviidae32023-50%1991
American Three-toed WoodpeckerPicidae32023+120%1996
Red-necked GrebePodicipedidae22023+50%1996
Common LoonGaviidae22023-68%1984
Arctic TernLaridae22013+33%1995
Bald EagleAccipitridae22003+100%1984
Violet-green SwallowHirundinidae21995+100%1985
Pine SiskinFringillidae22021+0%1994
Ring-necked DuckAnatidae22006+100%2000
Greater YellowlegsScolopacidae12022-75%1984
Great Horned OwlStrigidae12013-33%1983
Savannah SparrowPasserellidae12016-89%1984
White-crowned SparrowPasserellidae12011-93%1984
Song SparrowPasserellidae12001-86%1984
Tree SwallowHirundinidae12017-86%1984
Gray-cheeked ThrushTurdidae12006-63%1984
Red-tailed HawkAccipitridae12011-50%1983
Western Wood-PeweeTyrannidae12014-33%1988
Yellow WarblerParulidae12021-67%1985

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