BBS Route · Alaska · BCR 4

Eagle Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 61 species recorded across 18 survey years, still active.

61Species Recorded
18Years Surveyed
19822024Span
5Observers

Bird Species Found on Alaska Eagle

Top 40 of 61 species by most recent count. Each links to its species trend.

Species recorded on the Eagle route.
History
White-crowned SparrowPasserellidae722024+371%1992
Alder FlycatcherTyrannidae402024+48%1992
Swainson's ThrushTurdidae402024+18%1992
American RobinTurdidae302024+100%1992
Fox SparrowPasserellidae192024+264%2008
Lincoln's SparrowPasserellidae182024+125%1994
Canada JayCorvidae172024-32%1992
Orange-crowned WarblerParulidae172024+46%1992
Violet-green SwallowHirundinidae132024+23%1992
White-winged CrossbillFringillidae132024-28%1994
Hermit ThrushTurdidae112024+80%1994
Bohemian WaxwingBombycillidae82024+40%1992
Gray-cheeked ThrushTurdidae82024+24%1992
Ruby-crowned KingletRegulidae72024+143%1992
Varied ThrushTurdidae72024-4%1992
Hammond's FlycatcherTyrannidae52024+13%1994
Western Wood-PeweeTyrannidae52024+500%2010
Northern WaterthrushParulidae42024+60%1996
Olive-sided FlycatcherTyrannidae42024+31%1994
Wilson's WarblerParulidae42024+50%1994
Cliff SwallowHirundinidae42024+250%2011
Yellow-bellied FlycatcherTyrannidae42024+200%2008
Townsend's WarblerParulidae42024+10%2008
American Tree SparrowPasserellidae42024+400%2014
Chipping SparrowPasserellidae32024+125%2002
Solitary SandpiperScolopacidae32022n/an/a
Common RavenCorvidae22023-29%1992
Tree SwallowHirundinidae22017+300%1991
Lesser YellowlegsScolopacidae22008+0%1991
American KestrelFalconidae21997+100%1992
Say's PhoebeTyrannidae22017+100%2008
Blackpoll WarblerParulidae22014+100%2010
Pine SiskinFringillidae22024n/an/a
Spotted SandpiperScolopacidae12024-50%1992
MacGillivray's WarblerParulidae11982n/an/a
Wilson's SnipeScolopacidae12022+50%2010
Savannah SparrowPasserellidae12024+50%2001
Boreal ChickadeeParidae12024+40%1994
Townsend's SolitaireTurdidae12024-23%1994
Red-tailed HawkAccipitridae12002+0%1992

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