BirdAnalyst
Species · Alaska · BBS 2025 Release · 1966–2024

Least Flycatcher Population Trend in Alaska

All statesAerial insectivores

Least Flycatcher in Alaska has edged down: down 23% on the route-weighted index since 1993.

-23%Since 1993TrendPercent 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 →
9Routes In StateSurvey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
17YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable Least Flycatcher Trends in AlaskaNotable signalsLong-arc shifts the engine flags automatically — sustained declines or increases large enough to stand out from year-to-year noise.Full methodology →

No notable trend signals for Least Flycatcher in Alaska. See the full index history below.

Least Flycatcher Survey Routes in Alaska

Routes recording Least Flycatcher in Alaska.
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 →
Hyder720001995
Skagway520152009
Chatanika R219931993
Petersville220102000
Eagle120072007
L Salcha120072007
Stikine River120051999
Kenny Lake120131986
Haines119961993

Least Flycatcher Population Trend in Other States

arkansascaliforniacoloradoconnecticutgeorgiaidahoillinoisindianaiowakentuckymainemarylandmassachusettsmichiganminnesotamissourimontananebraskanew-hampshirenew-jerseynew-yorknorth-carolinanorth-dakotaohiooregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseeutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.