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Species · Alaska · BBS 2025 Release · 1966–2024

Yellow-bellied Flycatcher Population Trend in Alaska

All statesAerial insectivores

Yellow-bellied Flycatcher in Alaska has surged: up 15× on the route-weighted index since 1995.

15×Since 1995
15Routes In State
29Years

Notable Yellow-bellied Flycatcher Trends in Alaska

long arc increasecomputed index

Yellow-bellied Flycatcher has surged in Alaska: up 15× on the route-weighted index since 1995.

Yellow-bellied Flycatcher Population Forecast in Alaska

If the recent trend holds, Yellow-bellied Flycatcher in Alaska is projected to fall about 10% by 2029 — from 0.45 in 2024 to a central estimate of 0.40 (95% range 0.27–0.53). A 5-year backtest shows a typical error of ±36.7%, with 20% of held-out values landing inside the 95% band.

-10%Change by 2029
0.40Projected 2029 index
0.27–0.5395% range
±36.7%Backtest error
19902029
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected index95% low95% high
20250.350.230.48
20260.370.240.50
20270.380.250.51
20280.390.260.52
20290.400.270.53

Yellow-bellied Flycatcher Survey Routes in Alaska

Routes recording Yellow-bellied Flycatcher in Alaska.
Mt. Fairplay1720241994
Chicken720241996
Eagle420242001
Chatanika R420232021
Birch Lake220192015
Monahan220102010
Kanuti Canyn220242008
Livengood120212015
Slana120172008
Tower Bluffs120222006
Northway120191997
Nabesna Road120142014
Juneau119901990
Sourdough119951994
Kanuti Lake120132013

Yellow-bellied Flycatcher Population Trend in Other States

mainemassachusettsmichiganminnesotanew-hampshirenew-yorkpennsylvaniavermontwisconsin

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