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BBS Route · Alaska · BCR 4

Kalifonsky Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 76 species recorded across 10 survey years, still active.

76Species 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 →
10Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1982–2025Span
5Observers

Bird Species Found on Alaska Kalifonsky

Top 40 of 76 species by most recent count. Each links to its species trend.

Species recorded on the Kalifonsky 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
Herring GullLaridae3222023+1%2013
Short-billed GullLaridae562023-28%2013
Glaucous-winged GullLaridae302023-85%2013
Orange-crowned WarblerParulidae272025+55%2013
American RobinTurdidae252025-15%2013
White-crowned SparrowPasserellidae222025-11%2013
American WigeonAnatidae172016-23%2014
Savannah SparrowPasserellidae162025-19%2013
Alder FlycatcherTyrannidae142025-52%2013
Lincoln's SparrowPasserellidae142025+9%2013
Arctic TernLaridae122025-64%2013
Golden-crowned SparrowPasserellidae122025+88%2015
Black-billed MagpieCorvidae122025+39%2014
Ruby-crowned KingletRegulidae112025-8%2013
Wilson's SnipeScolopacidae92025-26%2013
European StarlingSturnidae82023n/an/a
Sandhill CraneGruidae72025-6%2013
Greater YellowlegsScolopacidae72025+75%2013
Bald EagleAccipitridae72025-25%2013
Cliff SwallowHirundinidae71982n/an/a
Bank SwallowHirundinidae72016-85%1982
Olive-sided FlycatcherTyrannidae62023-36%2015
Common RavenCorvidae62025+138%2013
Red-breasted NuthatchSittidae62025+64%2015
Golden-crowned KingletRegulidae62025-18%2016
Swainson's ThrushTurdidae52025-11%2013
Boreal ChickadeeParidae52025-62%2014
Northern PintailAnatidae52022+0%2015
American CrowCorvidae42025+55%2014
Pine SiskinFringillidae42023-93%2013
Song SparrowPasserellidae42025-69%1982
Tree SwallowHirundinidae42025-85%2014
Gray-cheeked ThrushTurdidae41982n/an/a
MerlinFalconidae42018+200%2014
American Three-toed WoodpeckerPicidae32023+200%1982
Yellow WarblerParulidae32025-29%2013
Black-capped ChickadeeParidae32025+0%2013
Red-breasted MerganserAnatidae32013n/an/a
Green-winged TealAnatidae32016-57%2015
Canada GooseAnatidae22023-56%2013

Source: USGS North American Breeding Bird Survey, retrieved 2026-08-14. A route is a sample, not a census.