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

Yellow-bellied Flycatcher Population Trend in Maine

All statesAerial insectivores

Yellow-bellied Flycatcher in Maine has collapsed: down 89% on the route-weighted index since 1972.

-89%Since 1972
57Routes In State
53Years

Notable Yellow-bellied Flycatcher Trends in Maine

long arc declinecomputed index

Yellow-bellied Flycatcher has collapsed in Maine: down 89% on the route-weighted index since 1972.

Yellow-bellied Flycatcher Population Forecast in Maine

If the recent trend holds, Yellow-bellied Flycatcher in Maine is projected to stay roughly flat through 2029, near 0.19 (95% range 0.00–2.2). A 5-year backtest shows a typical error of ±42.6%, with 100% of held-out values landing inside the 95% band.

-8%Change by 2029
0.19Projected 2029 index
0.00–2.295% range
±42.6%Backtest error
19682029
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
20250.240.002.3
20260.230.002.3
20270.220.002.2
20280.210.002.2
20290.190.002.2

Yellow-bellied Flycatcher Survey Routes in Maine

Routes recording Yellow-bellied Flycatcher in Maine.
Pillsbury Pd4619681968
Big Twenty 2520092009
Yankeetuladi520091995
Wilson Mills420241983
Nesowadnehun320212016
South Arm319881983
Northfield319811977
Horse Mtn319971986
Weeks Brook320161995
Clayton Lake 2320112011
Heron Lake320031983
Northfield 2220222014
Andover220212010
Moose River219901983
Carrying Pl220231993
Greenville220051972
Forest Sta220001974
Clayton Lake220081977
Big Twenty220081995
Telos219951995
Baker Lake220091995
Stacyville220232021
Westbrook119941986
Newcastle119991972
Bethel120192007

Yellow-bellied Flycatcher Population Trend in Other States

alaskamassachusettsmichiganminnesotanew-hampshirenew-yorkpennsylvaniavermontwisconsin

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