BirdAnalyst
Species · BCR 12 · BBS 2025 Release · 1966–2024

Olive-sided Flycatcher In Boreal Hardwood Transition

All regionsBoreal Hardwood TransitionAerial insectivores

Olive-sided Flycatcher in Boreal Hardwood Transition has declined: down 39% on the route-weighted index since 1968.

-39%Since 1968
98Routes In Region
58Years

Notable Signals

No notable trend signals for Olive-sided Flycatcher in Boreal Hardwood Transition. See the full index history below.

Forecast

If the recent trend holds, Olive-sided Flycatcher in Boreal Hardwood Transition is projected to rise about 15% by 2029 — from 0.12 in 2024 to a central estimate of 0.14 (95% range 0.00–0.35). A 5-year backtest shows a typical error of ±124.6%, with 100% of held-out values landing inside the 95% band.

+15%Change by 2029
0.14Projected 2029 index
0.00–0.3595% range
±124.6%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
20250.150.000.36
20260.150.000.35
20270.140.000.35
20280.140.000.35
20290.140.000.35

Routes In Boreal Hardwood Transition

Routes recording Olive-sided Flycatcher in Boreal Hardwood Transition.
Sherry LakeMINNESOTA42018
Lake CityMICHIGAN31986
Seney NwrMICHIGAN32024
GooseneckMICHIGAN32009
HovlandMINNESOTA31989
BemidjiMINNESOTA31980
GreenbushMINNESOTA32008
Union TwpWISCONSIN31986
Sand LakeMICHIGAN21988
Island LakeMINNESOTA21984
ChisholmMINNESOTA22024
MinongWISCONSIN22004
ExelandWISCONSIN21988
OntonagonMICHIGAN12017
BerglandMICHIGAN12019
MareniscoMICHIGAN12016
BootjackMICHIGAN11998
Ned LakeMICHIGAN12022
HermanMICHIGAN11984
Gibbs CityMICHIGAN12011
Maple GroveMICHIGAN11993
IshpemingMICHIGAN12021
Brocky LakeMICHIGAN12016
CunardMICHIGAN12014
ShingletonMICHIGAN12002

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