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BBS Route · Alaska · BCR 4

Ft. Richrdsn Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 81 species recorded across 22 survey years, still active.

81Species 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 →
22Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1994–2023Span
3Observers

Bird Species Found on Alaska Ft. Richrdsn

Top 40 of 81 species by most recent count. Each links to its species trend.

Species recorded on the Ft. Richrdsn 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 ThrushTurdidae1022023+86%1996
American RobinTurdidae512023-1%1996
Alder FlycatcherTyrannidae442023-34%1996
Horned LarkAlaudidae261998n/an/a
Pine SiskinFringillidae222023+213%1996
Ruby-crowned KingletRegulidae202023+29%1996
White-winged CrossbillFringillidae172021-68%1997
Sandhill CraneGruidae152022+160%1997
Orange-crowned WarblerParulidae102023-60%1996
Varied ThrushTurdidae102023-47%1996
White-crowned SparrowPasserellidae92023-75%1996
Savannah SparrowPasserellidae72023+15%1996
Lincoln's SparrowPasserellidae72023-45%1996
Northern PintailAnatidae72003n/an/a
Downy WoodpeckerPicidae62023+180%1997
Canada GooseAnatidae52023-53%1998
Western Wood-PeweeTyrannidae52023-32%1996
Bank SwallowHirundinidae52010+400%1994
Cliff SwallowHirundinidae51999n/an/a
Arctic TernLaridae42022+29%2000
Greater YellowlegsScolopacidae32023-63%1996
Olive-sided FlycatcherTyrannidae32023-59%1996
Song SparrowPasserellidae31996+50%1994
Black-capped ChickadeeParidae32023-85%1996
Hermit ThrushTurdidae32021+41%1996
Canada JayCorvidae32023+50%1998
Boreal ChickadeeParidae32022-50%2002
Common MerganserAnatidae32000n/an/a
Greater ScaupAnatidae32000n/an/a
MerlinFalconidae32008+200%2007
Say's PhoebeTyrannidae32010n/an/a
Least SandpiperScolopacidae32022n/an/a
Red-necked GrebePodicipedidae22010-79%1996
Common LoonGaviidae22023-33%1996
American WigeonAnatidae22009-33%1995
Wilson's SnipeScolopacidae22023+0%1996
Pine GrosbeakFringillidae22005-50%1995
Yellow WarblerParulidae22023-33%1996
Wilson's WarblerParulidae22012+0%1996
Brown CreeperCerthiidae22022+33%1997

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