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

Alder Flycatcher Population Trend in Michigan

All statesAerial insectivores

Alder Flycatcher in Michigan has surged: up 224% on the route-weighted index since 1969.

+224%Since 1969
89Routes In State
57Years

Notable Alder Flycatcher Trends in Michigan

long arc increasecomputed index

Alder Flycatcher has surged in Michigan: up 223% on the route-weighted index since 1969.

Alder Flycatcher Population Forecast in Michigan

If the recent trend holds, Alder Flycatcher in Michigan is projected to rise about 24% by 2029 — from 2.0 in 2024 to a central estimate of 2.5 (95% range 1.4–3.6). A 5-year backtest shows a typical error of ±49.3%, with 80% of held-out values landing inside the 95% band.

+24%Change by 2029
2.5Projected 2029 index
1.4–3.695% range
±49.3%Backtest error
19672029
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
20252.41.33.5
20262.41.33.5
20272.51.43.5
20282.51.43.6
20292.51.43.6

Alder Flycatcher Survey Routes in Michigan

Routes recording Alder Flycatcher in Michigan.
Pickford3520241973
Marenisco1720191981
Brocky Lake1220241980
Herman1020221983
Gilchrist920211976
Raco920241971
Scott'S Marsh920102006
Cathro820161967
Hubbard Lake819961976
Gibbs City720241979
Muskallonge720241977
Herron720162011
Ensign720102006
Ontonagon620191967
Tahquamenon620241976
Bootjack520231967
Ned Lake520241986
Ishpeming420231980
Maple Grove320241967
Shingleton320241967
Brush Creek320161975
Frederic320011986
Betchler Lks320231992
Cluster Lakes320102006
Gooseneck320102008

Alder Flycatcher Population Trend in Other States

alaskaconnecticutidahoillinoisindianaiowamainemarylandmassachusettsminnesotamontananew-hampshirenew-jerseynew-yorknorth-carolinanorth-dakotaohiooklahomapennsylvaniasouth-dakotavermontvirginiawashingtonwest-virginiawisconsin

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