BirdAnalyst
BBS Route · Alaska · BCR 4

Swan Lake Rd Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 71 species recorded across 43 survey years, still active.

71Species 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 →
43Years 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
7Observers

Bird Species Found on Alaska Swan Lake Rd

Top 40 of 71 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 ThrushTurdidae852025-31%1984
Alder FlycatcherTyrannidae322025-46%1984
American RobinTurdidae282025+145%1984
Canada JayCorvidae142025+115%1984
Ruby-crowned KingletRegulidae142025-29%1984
Orange-crowned WarblerParulidae132025-54%1984
Varied ThrushTurdidae132025+137%1984
Northern WaterthrushParulidae122025-73%1984
Olive-sided FlycatcherTyrannidae102025+9%1984
Fox SparrowPasserellidae92025+100%1997
Wilson's SnipeScolopacidae72025+67%1984
Lincoln's SparrowPasserellidae62025+200%1997
American Three-toed WoodpeckerPicidae52024+120%1996
Blackpoll WarblerParulidae42017-86%1984
Black-capped ChickadeeParidae42025+117%1984
Downy WoodpeckerPicidae42025+20%1995
Common LoonGaviidae32025-60%1984
Sandhill CraneGruidae32025+60%1984
Common RavenCorvidae32025+0%1985
Boreal ChickadeeParidae32025-25%1986
Arctic TernLaridae22013+33%1995
Yellow WarblerParulidae22025-67%1985
Bald EagleAccipitridae22003+100%1984
Violet-green SwallowHirundinidae21995+100%1985
Pine SiskinFringillidae22021+0%1994
Ring-necked DuckAnatidae22006+100%2000
Red-necked GrebePodicipedidae12024+25%1996
Greater YellowlegsScolopacidae12025-75%1984
Great Horned OwlStrigidae12013-33%1983
Pine GrosbeakFringillidae12025+100%1986
Savannah SparrowPasserellidae12016-89%1984
White-crowned SparrowPasserellidae12011-93%1984
Song SparrowPasserellidae12001-86%1984
Tree SwallowHirundinidae12025-86%1984
Gray-cheeked ThrushTurdidae12006-63%1984
Red-tailed HawkAccipitridae12011-50%1983
Western Wood-PeweeTyrannidae12014-33%1988
Pacific LoonGaviidae12024-50%1991
Sharp-shinned HawkAccipitridae11984n/an/a
Rusty BlackbirdIcteridae12006+0%1991

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