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 26 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 →
26Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1999–2025Span
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 ThrushTurdidae902025+13%2001
Townsend's WarblerParulidae402025+5%2001
Ruby-crowned KingletRegulidae202025+7%2001
Northern WaterthrushParulidae132025+13%2001
American RobinTurdidae132025+257%2001
Hammond's FlycatcherTyrannidae122025-37%2001
Varied ThrushTurdidae112025+88%2001
Cliff SwallowHirundinidae102004+400%2002
BuffleheadAnatidae92025+78%2001
Orange-crowned WarblerParulidae92025-18%2001
Yellow WarblerParulidae92025+129%2001
Tree SwallowHirundinidae82025+83%2001
Ring-necked DuckAnatidae82015-60%2013
Lincoln's SparrowPasserellidae72025+142%2001
Wilson's SnipeScolopacidae62025+0%2003
White-winged CrossbillFringillidae62025-41%2001
Wilson's WarblerParulidae62025-77%2001
Lesser ScaupAnatidae52025+67%2003
Green-winged TealAnatidae42021+33%2001
Bank SwallowHirundinidae42010-20%2005
Northern PintailAnatidae31999n/an/a
Horned GrebePodicipedidae32002+50%2000
MallardAnatidae32022-36%2006
Violet-green SwallowHirundinidae32013n/an/a
American WigeonAnatidae22023-52%2002
Hairy WoodpeckerPicidae22023+75%2012
Canada JayCorvidae22025-17%2001
Common RavenCorvidae22025-9%2001
White-crowned SparrowPasserellidae22025+8%2002
Boreal ChickadeeParidae22025-56%2001
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
Solitary SandpiperScolopacidae12024-18%2003
American KestrelFalconidae11999n/an/a
Belted KingfisherAlcedinidae12019+33%2004
American Three-toed WoodpeckerPicidae12019+0%2004

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