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BBS Route · Alaska · BCR 5

Moose Pass Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 43 species recorded across 3 survey years, no longer active.

43Species 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 →
3Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1983–1992Span
2Observers

Bird Species Found on Alaska Moose Pass

Top 40 of 43 species by most recent count. Each links to its species trend.

Species recorded on the Moose Pass 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
Tree SwallowHirundinidae39198539×1983
Varied ThrushTurdidae391992-3%1983
Townsend's WarblerParulidae371992+825%1983
Golden-crowned SparrowPasserellidae341992+240%1983
Hermit ThrushTurdidae261992-10%1983
American RobinTurdidae221992-27%1983
Ruby-crowned KingletRegulidae211992+24%1983
Orange-crowned WarblerParulidae201992-58%1983
Savannah SparrowPasserellidae141992+17%1983
Short-billed GullLaridae121992+500%1983
Swainson's ThrushTurdidae101992-73%1983
Fox SparrowPasserellidae101992+11%1985
Yellow WarblerParulidae91992+800%1983
Alder FlycatcherTyrannidae81992-27%1983
Wilson's WarblerParulidae81992-65%1983
Pine SiskinFringillidae71992-71%1983
Pine GrosbeakFringillidae61985+100%1983
American Tree SparrowPasserellidae61992n/an/a
Arctic TernLaridae51992-67%1983
Wilson's SnipeScolopacidae41985+300%1983
Black-billed MagpieCorvidae41992+300%1983
Northern WaterthrushParulidae31985-40%1983
Boreal ChickadeeParidae31985n/an/a
Greater YellowlegsScolopacidae21983n/an/a
Black-capped ChickadeeParidae21992+0%1983
GadwallAnatidae21985n/an/a
Green-winged TealAnatidae21985n/an/a
Canada JayCorvidae21985n/an/a
Song SparrowPasserellidae21985n/an/a
Lincoln's SparrowPasserellidae21985n/an/a
Red-tailed HawkAccipitridae21992n/an/a
Common LoonGaviidae11992-50%1983
Glaucous-winged GullLaridae11983n/an/a
Belted KingfisherAlcedinidae11983n/an/a
Olive-sided FlycatcherTyrannidae11983n/an/a
Common RavenCorvidae11992-50%1983
Blackpoll WarblerParulidae11985-83%1983
Gray-cheeked ThrushTurdidae11983n/an/a
American WigeonAnatidae11985n/an/a
Lesser ScaupAnatidae11985n/an/a

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