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Species · Montana · BBS 2025 Release · 1966–2024

Hammond's Flycatcher Population Trend in Montana

All statesAerial insectivores

Hammond's Flycatcher in Montana has surged: up 351% on the route-weighted index since 1970.

+351%Since 1970
41Routes In State
56Years

Notable Hammond's Flycatcher Trends in Montana

long arc increasecomputed index

Hammond's Flycatcher has surged in Montana: up 351% on the route-weighted index since 1970.

Hammond's Flycatcher Population Forecast in Montana

If the recent trend holds, Hammond's Flycatcher in Montana is projected to stay roughly flat through 2029, near 2.5 (95% range 1.2–3.7). A 5-year backtest shows a typical error of ±36.1%, with 100% of held-out values landing inside the 95% band.

+9%Change by 2029
2.5Projected 2029 index
1.2–3.795% range
±36.1%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
20252.41.13.7
20262.41.13.7
20272.41.23.7
20282.51.23.7
20292.51.23.7

Hammond's Flycatcher Survey Routes in Montana

Routes recording Hammond's Flycatcher in Montana.
Fish Creek2920241995
Noxon2320231995
Thompson Riv2220241993
St Regis1820241977
Clinton1520241975
Whitefish Lake1420242016
Libby Dam1320241979
Woodman1320241968
Painted Rock1220221992
Arlee1020241968
Skalkho-Rye1020222002
Swan Lake1020242015
Logan Pass820241980
Ninemile820241993
Hebgen Lake720242018
Lima620191996
Boulder519891976
Cramer Creek420191995
Elevation Mt420241995
Inside Road420241990
Elliston320241976
Sula320241977
Kalispell220241978
Victor220241993
Greenough220041995

Hammond's Flycatcher Population Trend in Other States

alaskaarizonacaliforniacoloradoidahonew-mexicooregonutahwashingtonwyoming

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