BBS Route · Alaska · BCR 4

Anvik River Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 72 species recorded across 24 survey years, still active.

72Species Recorded
24Years Surveyed
19982024Span
1Observers

Bird Species Found on Alaska Anvik River

Top 40 of 72 species by most recent count. Each links to its species trend.

Species recorded on the Anvik River route.
History
Northern WaterthrushParulidae1112024+248%2000
Fox SparrowPasserellidae462024+267%2000
Yellow WarblerParulidae422024+280%2000
Swainson's ThrushTurdidae382024+579%2000
Alder FlycatcherTyrannidae252024+15%2000
Spotted SandpiperScolopacidae182024-15%2000
Common GoldeneyeAnatidae162024-39%2000
Varied ThrushTurdidae132024+88%2000
Red-breasted MerganserAnatidae112024-7%2000
Short-billed GullLaridae102023-75%2000
Bank SwallowHirundinidae102024-54%2000
Greater White-fronted GooseAnatidae92024+229%2011
Gray-cheeked ThrushTurdidae92024+167%2004
Common MerganserAnatidae82024+78%2009
Least SandpiperScolopacidae72022+70%2000
Wilson's WarblerParulidae72024+48%2000
Canada GooseAnatidae62022-81%2000
American RobinTurdidae62024+600%2000
Cliff SwallowHirundinidae62005-33%2002
Green-winged TealAnatidae52024+250%2001
Northern ShovelerAnatidae52016-29%1998
Blackpoll WarblerParulidae52024-76%2000
Olive-sided FlycatcherTyrannidae52022+83%2001
Bonaparte's GullLaridae42014+0%1998
American WigeonAnatidae42024-61%2000
Solitary SandpiperScolopacidae41998n/an/a
White-crowned SparrowPasserellidae42024+9%2000
Hermit ThrushTurdidae42024+100%2001
Pine GrosbeakFringillidae42023+14%2013
Pacific LoonGaviidae32021+25%2001
Ruffed GrousePhasianidae32024-33%2008
Rusty BlackbirdIcteridae32023-40%2001
Bohemian WaxwingBombycillidae32019-79%2005
Red-throated LoonGaviidae22024-60%2003
Wilson's SnipeScolopacidae22024+200%2003
OspreyPandionidae22024+20%2000
Orange-crowned WarblerParulidae22024+20%2001
Tundra SwanAnatidae22014+0%1999
Bald EagleAccipitridae22024+0%2001
Lincoln's SparrowPasserellidae22024-63%2019

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