BirdAnalyst
Species · BCR 14 · BBS 2025 Release · 1966–2024

Least Flycatcher In Atlantic Northern Forest

All regionsAtlantic Northern ForestAerial insectivores

Least Flycatcher in Atlantic Northern Forest has fallen sharply: down 67% on the route-weighted index since 1968.

-67%Since 1968
156Routes In Region
58Years

Notable Signals

long arc declinecomputed index

Least Flycatcher has fallen sharply in Atlantic Northern Forest: down 67% on the route-weighted index since 1968.

Forecast

If the recent trend holds, Least Flycatcher in Atlantic Northern Forest is projected to fall about 28% by 2029 — from 2.4 in 2024 to a central estimate of 1.7 (95% range 0.14–3.3). A 5-year backtest shows a typical error of ±11.4%, with 100% of held-out values landing inside the 95% band.

-28%Change by 2029
1.7Projected 2029 index
0.14–3.395% range
±11.4%Backtest error
19662029
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
20252.10.553.7
20262.00.453.6
20271.90.343.5
20281.80.243.4
20291.70.143.3

Routes In Atlantic Northern Forest

Routes recording Least Flycatcher in Atlantic Northern Forest.
Dexter LakeNEW-YORK271975
NesowadnehunMAINE202021
WatervilleVERMONT181980
Hope FallsNEW-YORK141995
InletNEW-YORK142017
WarrenMAINE131990
Horse MtnMAINE132011
Crawford NotNEW-HAMPSHIRE101975
SabattisNEW-YORK91983
SciotaNEW-YORK92006
St Regis FlsNEW-YORK92017
N OrangeMASSACHUSETTS82024
Cummington 2MASSACHUSETTS82024
KasoagNEW-YORK82024
MarlboroVERMONT82024
ManchesterMAINE71995
BaxterMAINE71988
WashburnMAINE72005
SheffieldMASSACHUSETTS72022
HancockMASSACHUSETTS72015
PetersburgNEW-YORK72012
Blue Ridge SNEW-YORK72010
North RiverNEW-YORK72007
HardwickVERMONT72024
Bowdoin CtrMAINE62013

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