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BBS Route · Alaska · BCR 4

Petersville Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 84 species recorded across 26 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 →
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 →
1986–2025Span
4Observers

Bird Species Found on Alaska Petersville

Top 40 of 84 species by most recent count. Each links to its species trend.

Species recorded on the Petersville 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
Alder FlycatcherTyrannidae902025+17%1992
Swainson's ThrushTurdidae602025+26%1992
Northern WaterthrushParulidae472025-44%1992
White-crowned SparrowPasserellidae332025-10%1992
Wilson's SnipeScolopacidae302025+209%1992
Varied ThrushTurdidae302025+85%1992
American RobinTurdidae272025+20%1992
Lincoln's SparrowPasserellidae152025-9%1992
Blackpoll WarblerParulidae142025-69%1992
Ruby-crowned KingletRegulidae122025-54%1992
Gray-cheeked ThrushTurdidae122025-77%1992
Common RavenCorvidae102025+70%1992
Cliff SwallowHirundinidae82004-35%1993
Black-capped ChickadeeParidae82025+30%1993
Wilson's WarblerParulidae62025-48%1992
Glaucous-winged GullLaridae61987n/an/a
Bonaparte's GullLaridae51997+150%1992
Fox SparrowPasserellidae52025-60%1992
Trumpeter SwanAnatidae52008+150%1992
Ring-necked DuckAnatidae52017+22%2002
Savannah SparrowPasserellidae42025-70%1992
Yellow WarblerParulidae42025+250%1998
Northern ShovelerAnatidae41998n/an/a
Downy WoodpeckerPicidae42022-50%2021
Greater YellowlegsScolopacidae32023+40%1992
Olive-sided FlycatcherTyrannidae32023+43%1992
White-winged CrossbillFringillidae32025-77%1992
Tree SwallowHirundinidae32025-54%1992
American Three-toed WoodpeckerPicidae32025+233%2009
Violet-green SwallowHirundinidae32012-11%1996
American WigeonAnatidae32000n/an/a
Western Wood-PeweeTyrannidae32025+67%2021
Chipping SparrowPasserellidae32025+0%2010
Short-billed GullLaridae22024-33%1992
Sandhill CraneGruidae22025+233%1992
Canada JayCorvidae22025-18%1992
Hermit ThrushTurdidae22025-39%1992
Arctic TernLaridae22019-14%1993
Red-necked PhalaropeScolopacidae21987n/an/a
Common MerganserAnatidae22003+0%1992

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