Guild · Massachusetts · BBS 2025 Release · 1966–2024

Aerial Insectivores In Massachusetts

15 species in this guild. As a group they are -32% since 1968.

Guild Signals

No notable trend signals for aerial insectivores in Massachusetts. See the full index history below.

Forecast

If the recent trend holds, Aerial insectivores in Massachusetts is projected to fall about 20% by 2029 — from 3.2 in 2024 to a central estimate of 2.5 (95% range 1.8–3.2). A 5-year backtest shows a typical error of ±17.8%, with 60% of held-out values landing inside the 95% band.

-20%Change by 2029
2.5Projected 2029 index
1.83.295% range
±17.8%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
20252.61.93.3
20262.61.93.3
20272.61.93.3
20282.61.93.3
20292.51.83.2

Member Species In Massachusetts

Aerial insectivores species in Massachusetts.
Eastern Whip-poor-willCaprimulgidae-81%
Eastern KingbirdTyrannidae-68%
Cliff SwallowHirundinidae-61%
Chimney SwiftApodidae-56%
Bank SwallowHirundinidae-53%
Barn SwallowHirundinidae-44%
Tree SwallowHirundinidae-26%
Least FlycatcherTyrannidae-25%
Great Crested FlycatcherTyrannidae-5%
Northern Rough-winged SwallowHirundinidae+24%
Eastern Wood-PeweeTyrannidae+66%
Eastern PhoebeTyrannidae+99%
Willow FlycatcherTyrannidae+404%
Alder FlycatcherTyrannidae+737%
Purple MartinHirundinidae13×

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