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BBS Route · Alaska · BCR 4

Bear Creek Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 56 species recorded across 6 survey years, no longer active.

56Species 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 →
6Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1986–1991Span
1Observers

Bird Species Found on Alaska Bear Creek

Top 40 of 56 species by most recent count. Each links to its species trend.

Species recorded on the Bear Creek 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
Bank SwallowHirundinidae961991-11%1988
Swainson's ThrushTurdidae451991+44%1988
MallardAnatidae301991+388%1988
Varied ThrushTurdidae251991-33%1988
Wilson's SnipeScolopacidae221991-24%1988
Yellow WarblerParulidae211991+3%1987
Northern WaterthrushParulidae181991+6%1988
American RobinTurdidae181991-19%1988
American WigeonAnatidae151991-43%1988
Gray-cheeked ThrushTurdidae151991+140%1988
Rusty BlackbirdIcteridae141991+65%1988
Lesser YellowlegsScolopacidae91991+9%1988
Olive-sided FlycatcherTyrannidae91991-36%1988
White-crowned SparrowPasserellidae91991-24%1988
Spotted SandpiperScolopacidae81991+130%1988
Alder FlycatcherTyrannidae81991-38%1988
Bonaparte's GullLaridae81988n/an/a
Northern PintailAnatidae61991+0%1988
BuffleheadAnatidae61990-14%1986
Common RavenCorvidae61991+22%1988
Orange-crowned WarblerParulidae61991-41%1988
Black ScoterAnatidae51989n/an/a
Green-winged TealAnatidae41990+67%1987
Sandhill CraneGruidae41991-61%1988
Ruffed GrousePhasianidae41986n/an/a
Bohemian WaxwingBombycillidae41990+100%1987
Common GoldeneyeAnatidae31991-68%1988
Bald EagleAccipitridae31986n/an/a
Belted KingfisherAlcedinidae31991+0%1988
Savannah SparrowPasserellidae31989+50%1986
Tree SwallowHirundinidae31991+33%1987
Pine GrosbeakFringillidae31988+200%1987
Red-necked GrebePodicipedidae21991-25%1987
Short-billed GullLaridae21991-81%1988
Greater ScaupAnatidae21986n/an/a
Canada JayCorvidae21991-51%1988
Wilson's WarblerParulidae21986n/an/a
Arctic TernLaridae21991+100%1988
Greater White-fronted GooseAnatidae21991+0%1988
Pacific LoonGaviidae11986n/an/a

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