BirdAnalyst
BBS Route · Alaska · BCR 4

Chena Hot Spring 2 Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 69 species recorded across 25 survey years, still active.

69Species 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 →
25Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1999–2024Span
3Observers

Bird Species Found on Alaska Chena Hot Spring 2

Top 40 of 69 species by most recent count. Each links to its species trend.

Species recorded on the Chena Hot Spring 2 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 ThrushTurdidae1072024+14%2001
Townsend's WarblerParulidae592024+15%2001
White-winged CrossbillFringillidae522024-31%2001
Varied ThrushTurdidae262024+133%2001
Alder FlycatcherTyrannidae132024-59%2001
Lincoln's SparrowPasserellidae132024+175%2001
Orange-crowned WarblerParulidae102024-18%2001
Ruby-crowned KingletRegulidae102024-47%2001
American RobinTurdidae102024+214%2001
Cliff SwallowHirundinidae102004+400%2002
Ring-necked DuckAnatidae82015-60%2013
Hammond's FlycatcherTyrannidae72024-61%2001
Canada JayCorvidae62024+0%2001
Northern WaterthrushParulidae62024-6%2001
White-crowned SparrowPasserellidae52024+33%2002
Lesser ScaupAnatidae52017+17%2003
Green-winged TealAnatidae42021+33%2001
Bank SwallowHirundinidae42010-20%2005
Northern PintailAnatidae31999n/an/a
Wilson's SnipeScolopacidae32024-40%2003
Yellow WarblerParulidae32024+57%2001
Horned GrebePodicipedidae32002+50%2000
Spotted SandpiperScolopacidae32024-40%2003
MallardAnatidae32022-36%2006
Violet-green SwallowHirundinidae32013n/an/a
American WigeonAnatidae22023-52%2002
Hairy WoodpeckerPicidae22023+75%2012
Tree SwallowHirundinidae22022-33%2001
Wilson's WarblerParulidae22024-68%2001
Great Horned OwlStrigidae22011+75%2004
Pine SiskinFringillidae22016+50%2003
Lesser YellowlegsScolopacidae22022+100%2005
Herring GullLaridae12008-67%1999
Common MerganserAnatidae12024-58%2003
Northern ShovelerAnatidae12021-67%2002
Barrow's GoldeneyeAnatidae11999n/an/a
BuffleheadAnatidae12024-11%2001
Solitary SandpiperScolopacidae12024-18%2003
American KestrelFalconidae11999n/an/a
Belted KingfisherAlcedinidae12019+33%2004

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