BBS Route · Alaska · BCR 4

Chena River Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 29 species recorded across 1 survey years, no longer active.

Bird Species Found on Alaska Chena River

Top 29 of 29 species by most recent count. Each links to its species trend.

Species recorded on the Chena River 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 ThrushTurdidae1591988n/an/a
Alder FlycatcherTyrannidae331988n/an/a
Orange-crowned WarblerParulidae211988n/an/a
White-winged CrossbillFringillidae201988n/an/a
Northern WaterthrushParulidae201988n/an/a
Varied ThrushTurdidae121988n/an/a
Hammond's FlycatcherTyrannidae111988n/an/a
White-crowned SparrowPasserellidae111988n/an/a
Wilson's WarblerParulidae111988n/an/a
American RobinTurdidae101988n/an/a
Yellow WarblerParulidae91988n/an/a
Canada JayCorvidae81988n/an/a
Fox SparrowPasserellidae71988n/an/a
Cliff SwallowHirundinidae61988n/an/a
American WigeonAnatidae51988n/an/a
Common RavenCorvidae51988n/an/a
Ruby-crowned KingletRegulidae51988n/an/a
Lesser YellowlegsScolopacidae41988n/an/a
Townsend's WarblerParulidae41988n/an/a
Boreal ChickadeeParidae41988n/an/a
Hermit ThrushTurdidae41988n/an/a
Solitary SandpiperScolopacidae31988n/an/a
Savannah SparrowPasserellidae21988n/an/a
Short-billed GullLaridae11988n/an/a
Spotted SandpiperScolopacidae11988n/an/a
Great Horned OwlStrigidae11988n/an/a
Hairy WoodpeckerPicidae11988n/an/a
Downy WoodpeckerPicidae11988n/an/a
Western Wood-PeweeTyrannidae11988n/an/a

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