BirdAnalyst
BBS Route · Alaska · BCR 4

Ruby Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 46 species recorded across 30 survey years, still active.

46Species 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 →
30Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1994–2024Span
3Observers

Bird Species Found on Alaska Ruby

Top 40 of 46 species by most recent count. Each links to its species trend.

Species recorded on the Ruby 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
Swainson's ThrushTurdidae762024-22%1996
Alder FlycatcherTyrannidae512024+72%1996
Orange-crowned WarblerParulidae212024+24%1996
Varied ThrushTurdidae202024+28%1996
White-crowned SparrowPasserellidae192024+93%1996
Ruby-crowned KingletRegulidae192024-43%1996
Canada JayCorvidae152024+950%1996
Northern WaterthrushParulidae152024+52%1997
Common RavenCorvidae112024+70%1996
Fox SparrowPasserellidae112024+77%1996
Canada GooseAnatidae92002n/an/a
American RobinTurdidae82024+78%1997
Lincoln's SparrowPasserellidae62024+35%1998
Yellow WarblerParulidae42024-67%1996
Gray-cheeked ThrushTurdidae42024-11%1996
Blackpoll WarblerParulidae42024+91%1997
Bank SwallowHirundinidae32008n/an/a
Downy WoodpeckerPicidae32021+14%2015
Arctic WarblerPhylloscopidae32024-25%2019
Olive-sided FlycatcherTyrannidae22024+60%2001
Black-capped ChickadeeParidae22024+67%2005
Glaucous GullLaridae22007n/an/a
Lesser YellowlegsScolopacidae22024n/an/a
Northern WheatearMuscicapidae22024n/an/a
Wilson's SnipeScolopacidae12024+0%2000
Hammond's FlycatcherTyrannidae12024-17%1996
Savannah SparrowPasserellidae12021-25%1999
Wilson's WarblerParulidae12023-67%1996
Ruffed GrousePhasianidae12021+33%2003
American Tree SparrowPasserellidae12023+0%2003
White-winged CrossbillFringillidae12024-88%2001
Bohemian WaxwingBombycillidae12010+100%2002
Solitary SandpiperScolopacidae12024+0%2006
Red-tailed HawkAccipitridae12019+0%2001
Great Horned OwlStrigidae12021+0%2004
Pine GrosbeakFringillidae12005+0%2001
Pine SiskinFringillidae12023+33%2003
Boreal ChickadeeParidae12023-25%2010
Tree SwallowHirundinidae12024-14%2004
Belted KingfisherAlcedinidae12021+0%2003

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