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BBS Route · Alaska · BCR 5

Whale Pass Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 54 species recorded across 20 survey years, still active.

54Species 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 →
20Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1997–2024Span
6Observers

Bird Species Found on Alaska Whale Pass

Top 40 of 54 species by most recent count. Each links to its species trend.

Species recorded on the Whale Pass 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
Townsend's WarblerParulidae812024+128%2000
Pacific WrenTroglodytidae652024-10%2000
Varied ThrushTurdidae462024-27%2000
Hermit ThrushTurdidae452024-35%2000
Chestnut-backed ChickadeeParidae442024+90%2000
Swainson's ThrushTurdidae342024-42%2000
Golden-crowned KingletRegulidae292024+224%2000
American CrowCorvidae252024+218%2000
Marbled MurreletAlcidae242014+89%2003
Orange-crowned WarblerParulidae132024-57%2000
Pine SiskinFringillidae122023+89%2001
Common RavenCorvidae112024+250%2000
American RobinTurdidae112024+2%2000
Red-breasted SapsuckerPicidae102024-40%2000
Lincoln's SparrowPasserellidae72024-39%2000
Black-capped ChickadeeParidae42022n/an/a
Bald EagleAccipitridae32024+56%2001
Steller's JayCorvidae32024+26%2000
Red CrossbillFringillidae32024-84%2001
Canada GooseAnatidae32021-39%2001
Rufous HummingbirdTrochilidae32024+75%2001
Wilson's SnipeScolopacidae32021n/an/a
Wilson's WarblerParulidae22022+100%2001
Ruby-crowned KingletRegulidae22022-83%2000
Sandhill CraneGruidae22023+20%2003
Common YellowthroatParulidae22019+100%2008
Greater YellowlegsScolopacidae22017+100%2010
Cedar WaxwingBombycillidae22024-60%2019
Common LoonGaviidae12022+20%2008
Fox SparrowPasserellidae12022-82%2000
Common MerganserAnatidae12024+67%2001
MallardAnatidae12022-70%2001
Great Blue HeronArdeidae12021-67%1998
Belted KingfisherAlcedinidae12024-33%2008
Hairy WoodpeckerPicidae12024-25%2001
Olive-sided FlycatcherTyrannidae12022-20%2004
Pine GrosbeakFringillidae12012+0%2000
Song SparrowPasserellidae12024-56%2001
Tree SwallowHirundinidae12017+0%1998
Yellow WarblerParulidae12013-41%2001

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