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BBS Route · Alaska · BCR 4

Paxson Lake Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 62 species recorded across 6 survey years, no longer active.

62Species 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 →
6Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1991–1997Span
2Observers

Bird Species Found on Alaska Paxson Lake

Top 40 of 62 species by most recent count. Each links to its species trend.

Species recorded on the Paxson Lake 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
Cliff SwallowHirundinidae551997+136%1993
White-crowned SparrowPasserellidae441997-37%1993
Arctic WarblerPhylloscopidae401997+329%1993
Wilson's WarblerParulidae371997+74%1993
American RobinTurdidae201997-25%1993
Bank SwallowHirundinidae161992n/an/a
Gray-cheeked ThrushTurdidae151997-73%1992
Northern PintailAnatidae101995n/an/a
Lincoln's SparrowPasserellidae91997-71%1995
Greater ScaupAnatidae81997+0%1993
Greater YellowlegsScolopacidae81993-27%1991
Pine SiskinFringillidae81995n/an/a
Red-necked PhalaropeScolopacidae71997+136%1995
Semipalmated PloverCharadriidae71997+0%1991
Lesser ScaupAnatidae71997-31%1995
American Tree SparrowPasserellidae61997-64%1993
Lesser YellowlegsScolopacidae61997+20%1995
Fox SparrowPasserellidae51997-24%1995
WhimbrelScolopacidae41996-64%1992
Lapland LongspurCalcariidae41992+33%1991
Spotted SandpiperScolopacidae41995+300%1992
Violet-green SwallowHirundinidae41995n/an/a
Green-winged TealAnatidae31996-25%1991
Pine GrosbeakFringillidae31995n/an/a
Orange-crowned WarblerParulidae31995n/an/a
Varied ThrushTurdidae31996+200%1995
Blackpoll WarblerParulidae31997+50%1996
Short-billed GullLaridae21997+28%1993
MallardAnatidae21997-33%1991
American Golden-PloverCharadriidae21991n/an/a
Alder FlycatcherTyrannidae21993+100%1991
Savannah SparrowPasserellidae21997-32%1993
Yellow WarblerParulidae21997-65%1992
Arctic TernLaridae21997+125%1993
Common LoonGaviidae21997+0%1993
Trumpeter SwanAnatidae21997-27%1995
Least SandpiperScolopacidae21997-85%1993
Golden-crowned SparrowPasserellidae21995n/an/a
Pacific LoonGaviidae21996n/an/a
Red-breasted MerganserAnatidae21996n/an/a

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