BBS Route · Alaska · BCR 4

Mud River Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 80 species recorded across 29 survey years, still active.

80Species Recorded
29Years Surveyed
19932024Span
7Observers

Bird Species Found on Alaska Mud River

Top 40 of 80 species by most recent count. Each links to its species trend.

Species recorded on the Mud River route.
History
Alder FlycatcherTyrannidae1012024+36%1995
Swainson's ThrushTurdidae852024+20%1995
Northern WaterthrushParulidae792024+24%1995
Blackpoll WarblerParulidae282024+0%1995
Fox SparrowPasserellidae272024+296%1995
Yellow WarblerParulidae252024-7%1995
Spotted SandpiperScolopacidae212024-25%1995
Bank SwallowHirundinidae202024-21%1995
Common GoldeneyeAnatidae182024+63%2000
Wilson's SnipeScolopacidae162024-4%1995
White-winged CrossbillFringillidae162024-4%2000
Greater White-fronted GooseAnatidae122024+105%1995
Lincoln's SparrowPasserellidae122024+371%1998
Green-winged TealAnatidae112024+33%1995
American RobinTurdidae112024+22%1995
Canada JayCorvidae102024+417%1997
Trumpeter SwanAnatidae102022+240%2007
Lesser YellowlegsScolopacidae92024-62%1996
American WigeonAnatidae82024-7%1995
Greater YellowlegsScolopacidae72004-72%1997
Lesser ScaupAnatidae72021+225%1998
Long-tailed JaegerStercorariidae61997n/an/a
Sandhill CraneGruidae62022+71%2003
OspreyPandionidae52024+175%1998
Arctic TernLaridae42013-80%1996
Tree SwallowHirundinidae42024+417%1997
MallardAnatidae32024-76%1996
Rusty BlackbirdIcteridae32024+0%1996
Black-capped ChickadeeParidae32024+133%2000
Gray-cheeked ThrushTurdidae32024-52%1995
Olive-sided FlycatcherTyrannidae32024-33%1996
Tundra SwanAnatidae32024+0%2011
Solitary SandpiperScolopacidae32022-50%2015
Bohemian WaxwingBombycillidae32024+200%2019
Northern PintailAnatidae22012+22%1998
White-crowned SparrowPasserellidae22024-29%1995
Wilson's WarblerParulidae22024-30%1995
Varied ThrushTurdidae22024-70%1995
Orange-crowned WarblerParulidae22024+275%1997
Arctic WarblerPhylloscopidae22024+50%1999

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