BirdAnalyst
BBS Route · Alaska · BCR 5

Zimovia Strt Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 70 species recorded across 36 survey years, still active.

70Species 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 →
36Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1988–2024Span
1Observers

Bird Species Found on Alaska Zimovia Strt

Top 40 of 70 species by most recent count. Each links to its species trend.

Species recorded on the Zimovia Strt 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
American CrowCorvidae802024+121%1990
American RobinTurdidae532024+44%1990
Varied ThrushTurdidae402024+23%1990
Hermit ThrushTurdidae332024+9%1990
Pacific WrenTroglodytidae312024-28%1990
Townsend's WarblerParulidae29202434×1994
Swainson's ThrushTurdidae232024-28%1990
Sooty GrousePhasianidae202024+714%1990
Song SparrowPasserellidae202024+145%1990
Surf ScoterAnatidae202024-68%1998
Herring GullLaridae202002+214%1998
Ruby-crowned KingletRegulidae192024+119%1994
Steller's JayCorvidae162024+13%1990
Orange-crowned WarblerParulidae152024+55%1990
Red-breasted SapsuckerPicidae132024+45%1991
Glaucous-winged GullLaridae122024+72%1991
Common RavenCorvidae102024+95%1990
Chestnut-backed ChickadeeParidae102024-14%1990
Bald EagleAccipitridae82024+100%1990
Harlequin DuckAnatidae72024+20%1994
European StarlingSturnidae72024n/an/a
Pine SiskinFringillidae52023-20%1991
Belted KingfisherAlcedinidae42024-33%1990
Marbled MurreletAlcidae42024-22%1992
Red CrossbillFringillidae42024-80%1998
Canada GooseAnatidae42024-18%2002
Short-billed GullLaridae42018+100%1997
Bonaparte's GullLaridae42017-77%1999
Greater YellowlegsScolopacidae32024-43%1990
Pigeon GuillemotAlcidae32024-65%2000
Eurasian Collared-DoveColumbidae32024-57%2015
Western Wood-PeweeTyrannidae22010-67%1995
Golden-crowned SparrowPasserellidae21988n/an/a
Yellow WarblerParulidae22023+0%1994
Golden-crowned KingletRegulidae22024-89%1990
Hammond's FlycatcherTyrannidae22015-90%1996
Chipping SparrowPasserellidae21996-85%1990
Lincoln's SparrowPasserellidae22024-11%1991
Barn SwallowHirundinidae22023+67%1994
Hairy WoodpeckerPicidae22024-55%1993

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