BirdAnalyst
BBS Route · Alaska · BCR 4

Nabesna Road Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 84 species recorded across 29 survey years, still active.

84Species 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 →
29Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1989–2025Span
11Observers

Bird Species Found on Alaska Nabesna Road

Top 40 of 84 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
White-crowned SparrowPasserellidae642025-19%1991
American RobinTurdidae512025-34%1991
Swainson's ThrushTurdidae462025+74%1991
Greater ScaupAnatidae352024+71%1995
Canada JayCorvidae312025+27%1991
Canada GooseAnatidae302006n/an/a
Bohemian WaxwingBombycillidae132024+80%2004
Varied ThrushTurdidae122025-29%1991
Wilson's WarblerParulidae82025+35%1991
Pine GrosbeakFringillidae71989n/an/a
Orange-crowned WarblerParulidae72025+140%1997
Alder FlycatcherTyrannidae62025+50%1993
Hermit ThrushTurdidae52025+27%1996
Upland SandpiperScolopacidae51998+80%1992
Ring-necked DuckAnatidae51997n/an/a
Bonaparte's GullLaridae52016+50%2005
Fox SparrowPasserellidae42016+100%2000
Gray-cheeked ThrushTurdidae42025-64%1993
Pine SiskinFringillidae42015+100%1995
Lesser ScaupAnatidae32015-33%1993
Savannah SparrowPasserellidae32025-41%1991
Tree SwallowHirundinidae32025+67%1993
Boreal ChickadeeParidae32025-20%1995
White-winged CrossbillFringillidae32025+7%1994
Northern WaterthrushParulidae32016-13%1994
Lincoln's SparrowPasserellidae32025+13%1997
American Three-toed WoodpeckerPicidae32021+0%2007
Short-billed GullLaridae22025+27%2005
American WigeonAnatidae22024-56%1996
Northern PintailAnatidae21989n/an/a
Trumpeter SwanAnatidae22024+10%1994
Black-capped ChickadeeParidae22025-46%2002
Arctic TernLaridae22008-44%1995
Olive-sided FlycatcherTyrannidae22025-75%1992
Ruby-crowned KingletRegulidae22025-74%1992
MallardAnatidae22014-33%1996
Pacific LoonGaviidae22024+100%1994
Barrow's GoldeneyeAnatidae22015+0%2004
Common LoonGaviidae22024+50%2010
Common GoldeneyeAnatidae22010n/an/a

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