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BBS Route · Alaska · BCR 4

Kalifonsky Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 75 species recorded across 9 survey years, still active.

75Species 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 →
9Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1982–2023Span
4Observers

Bird Species Found on Alaska Kalifonsky

Top 40 of 75 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
White-crowned SparrowPasserellidae392023+14%2013
American RobinTurdidae332023-10%2013
Glaucous-winged GullLaridae302023-85%2013
Orange-crowned WarblerParulidae292023+27%2013
Ruby-crowned KingletRegulidae252023-5%2013
Alder FlycatcherTyrannidae172023-54%2013
American WigeonAnatidae172016-23%2014
Savannah SparrowPasserellidae152023-38%2013
Blackpoll WarblerParulidae141982n/an/a
Lincoln's SparrowPasserellidae132023+31%2013
Swainson's ThrushTurdidae92023-26%2013
Wilson's SnipeScolopacidae82023-44%2013
Common RavenCorvidae82023+150%2013
American CrowCorvidae82022+36%2014
Hermit ThrushTurdidae82023-5%2013
European StarlingSturnidae82023n/an/a
Greater YellowlegsScolopacidae72023+33%2013
Cliff SwallowHirundinidae71982n/an/a
Bank SwallowHirundinidae72016-85%1982
Olive-sided FlycatcherTyrannidae62023-36%2015
Black-capped ChickadeeParidae62023+38%2013
Black-billed MagpieCorvidae62023-6%2014
Red-breasted NuthatchSittidae62023+18%2015
Northern PintailAnatidae52022+0%2015
Pine SiskinFringillidae42023-93%2013
Tree SwallowHirundinidae42023-88%2014
Gray-cheeked ThrushTurdidae41982n/an/a
Varied ThrushTurdidae42023-69%2013
MerlinFalconidae42018+200%2014
Bald EagleAccipitridae32022-25%2013
American Three-toed WoodpeckerPicidae32023+200%1982
Canada JayCorvidae32023-48%2013
Red-breasted MerganserAnatidae32013n/an/a
Green-winged TealAnatidae32016-57%2015
Golden-crowned KingletRegulidae32023-64%2016
Arctic TernLaridae22023-75%2013
Canada GooseAnatidae22023-56%2013
Long-billed DowitcherScolopacidae21982n/an/a

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