BirdAnalyst
BBS Route · Alaska · BCR 4

Nabesna Road Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 83 species recorded across 28 survey years, still active.

83Species 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 →
28Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1989–2024Span
10Observers

Bird Species Found on Alaska Nabesna Road

Top 40 of 83 species by most recent count. Each links to its species trend.

Species recorded on the Nabesna Road 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 ThrushTurdidae442024+55%1991
White-crowned SparrowPasserellidae362024+15%1991
Greater ScaupAnatidae352024+71%1995
Canada GooseAnatidae302006n/an/a
American RobinTurdidae292024-40%1991
Bohemian WaxwingBombycillidae132024+80%2004
Varied ThrushTurdidae122024-43%1991
Wilson's WarblerParulidae102024+65%1991
Pine GrosbeakFringillidae71989n/an/a
Lincoln's SparrowPasserellidae72024+40%1997
Olive-sided FlycatcherTyrannidae62021-68%1992
Upland SandpiperScolopacidae51998+80%1992
Ring-necked DuckAnatidae51997n/an/a
Bonaparte's GullLaridae52016+50%2005
Canada JayCorvidae42024+15%1991
Fox SparrowPasserellidae42016+100%2000
Pine SiskinFringillidae42015+100%1995
Lesser ScaupAnatidae32015-33%1993
Common RavenCorvidae32024-50%1991
Hermit ThrushTurdidae32024+0%1996
White-winged CrossbillFringillidae32024+35%1994
Northern WaterthrushParulidae32016-13%1994
Orange-crowned WarblerParulidae32024+270%1997
American Three-toed WoodpeckerPicidae32021+0%2007
American WigeonAnatidae22024-56%1996
Northern PintailAnatidae21989n/an/a
Trumpeter SwanAnatidae22024+10%1994
Wilson's SnipeScolopacidae22024-47%1991
Tree SwallowHirundinidae21994+0%1989
Black-capped ChickadeeParidae22024-55%1991
Arctic TernLaridae22008-44%1995
Boreal ChickadeeParidae22024-10%1995
MallardAnatidae22014-33%1996
Pacific LoonGaviidae22024+100%1994
Barrow's GoldeneyeAnatidae22015+0%2004
Western Wood-PeweeTyrannidae22015+100%1998
Common LoonGaviidae22024+50%2010
Common GoldeneyeAnatidae22010n/an/a
Golden-crowned SparrowPasserellidae22024n/an/a
Short-billed GullLaridae12016+46%2005

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