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BBS Route · Alaska · BCR 5

Zarembo Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 69 species recorded across 28 survey years, still active.

69Species 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 →
1993–2024Span
1Observers

Bird Species Found on Alaska Zarembo

Top 40 of 69 species by most recent count. Each links to its species trend.

Species recorded on the Zarembo 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
Harlequin DuckAnatidae472001n/an/a
Chestnut-backed ChickadeeParidae362024-41%1995
Hermit ThrushTurdidae362024-38%1995
American CrowCorvidae322024-20%1995
Pacific WrenTroglodytidae282024-30%1995
Varied ThrushTurdidae282024-61%1995
Bonaparte's GullLaridae202001n/an/a
Golden-crowned KingletRegulidae172024+66%1995
Swainson's ThrushTurdidae172024-22%1995
Red-breasted SapsuckerPicidae162024-63%1995
Townsend's WarblerParulidae152024+367%2002
Sandhill CraneGruidae142024+0%1995
American RobinTurdidae132024-67%1995
Common RavenCorvidae112024+85%1995
Rufous HummingbirdTrochilidae102024-20%1995
Surf ScoterAnatidae102012n/an/a
Steller's JayCorvidae82024-48%1995
Pine SiskinFringillidae52021-77%1995
Canada GooseAnatidae52022-67%2001
Brown CreeperCerthiidae42022-63%2002
Cedar WaxwingBombycillidae42017-44%2011
Greater YellowlegsScolopacidae32022-40%1995
Orange-crowned WarblerParulidae32024-71%1995
Ruby-crowned KingletRegulidae32024-64%1996
Red CrossbillFringillidae32024-84%1997
MallardAnatidae32014-73%2000
Northern Pygmy-OwlStrigidae32017+200%2002
Marbled MurreletAlcidae22021-10%1996
Glaucous-winged GullLaridae22011+67%1997
Bald EagleAccipitridae22024+14%1996
Olive-sided FlycatcherTyrannidae22022-75%1995
White-winged CrossbillFringillidae22021-76%2005
Song SparrowPasserellidae22024-82%1995
Fox SparrowPasserellidae22024-74%1995
Lincoln's SparrowPasserellidae22016-87%1996
Common MerganserAnatidae22010-71%1999
Great Blue HeronArdeidae22021+0%2002
Sooty GrousePhasianidae22014-43%2003
Herring GullLaridae22001n/an/a
Warbling VireoVireonidae22024+100%2016

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