BirdAnalyst
Species · New York · BBS 2025 Release · 1966–2024

Willow Flycatcher Population Trend in New York

All statesAerial insectivores

Willow Flycatcher in New York has surged: up 113% on the route-weighted index since 1968.

+113%Since 1968
113Routes In State
58Years

Notable Willow Flycatcher Trends in New York

long arc increasecomputed index

Willow Flycatcher has surged in New York: up 113% on the route-weighted index since 1968.

Willow Flycatcher Population Forecast in New York

If the recent trend holds, Willow Flycatcher in New York is projected to stay roughly flat through 2029, near 2.0 (95% range 0.66–3.3). A 5-year backtest shows a typical error of ±51.1%, with 100% of held-out values landing inside the 95% band.

+8%Change by 2029
2.0Projected 2029 index
0.66–3.395% range
±51.1%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
20252.00.673.3
20262.00.673.3
20272.00.673.3
20282.00.663.3
20292.00.663.3

Willow Flycatcher Survey Routes in New York

Routes recording Willow Flycatcher in New York.
Castile1420241967
Watertown1220121986
Nashville1120181967
E Youngstown920231966
Rifton719861978
Cayuga620241969
Salem620241967
N Victory619721967
Dryden520241967
Orleans520241975
St Johnsburg520181969
S Berne 2520182016
Rhinebeck420221968
Swain420071976
Branchport420241995
Canadice L420141973
Centerville420131975
Sheridan420241973
Penfield420241968
N Victory 2420191978
Cicero Ctr420241966
N Wilmurt419981974
Gabriels419981998
Dannemora419951995
Philadelphia420241987

Willow Flycatcher Population Trend in Other States

alaskaarizonaarkansascaliforniacoloradoconnecticutdelawaregeorgiaidahoillinoisindianaiowakansaskentuckymainemarylandmassachusettsmichiganminnesotamissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

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