BirdAnalyst
Guild · Connecticut · BBS 2025 Release · 1966–2024

Forest Birds In Connecticut

All statesConnecticut

45 species in this guild. As a group they are -12% since 1968.

Guild Signals

No notable trend signals for forest birds in Connecticut. See the full index history below.

Forecast

If the recent trend holds, Forest birds in Connecticut is projected to stay roughly flat through 2029, near 6.6 (95% range 4.7–8.4). A 5-year backtest shows a typical error of ±10.7%, with 100% of held-out values landing inside the 95% band.

+8%Change by 2029
6.6Projected 2029 index
4.7–8.495% range
±10.7%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
20256.54.68.3
20266.54.78.3
20276.54.78.4
20286.54.78.4
20296.64.78.4

Member Species In Connecticut

Forest birds species in Connecticut.
Canada WarblerParulidae-85%
Blue-winged WarblerParulidae-76%
Prairie WarblerParulidae-73%
Chestnut-sided WarblerParulidae-62%
Red-breasted NuthatchSittidae-59%
Northern WaterthrushParulidae-54%
Wood ThrushTurdidae-52%
Black-and-white WarblerParulidae-42%
Hermit ThrushTurdidae-39%
Black-throated Green WarblerParulidae-29%
Common YellowthroatParulidae-20%
Hairy WoodpeckerPicidae-20%
American RobinTurdidae-12%
Blackburnian WarblerParulidae-9%
White-eyed VireoVireonidae-3%
Northern House WrenTroglodytidae+11%
Downy WoodpeckerPicidae+11%
Black-throated Blue WarblerParulidae+13%
VeeryTurdidae+16%
Magnolia WarblerParulidae+20%
Brown CreeperCerthiidae+21%
Blue-headed VireoVireonidae+27%
Winter WrenTroglodytidae+32%
Black-capped ChickadeeParidae+36%
American RedstartParulidae+38%
Cerulean WarblerParulidae+43%
Yellow-throated VireoVireonidae+56%
OvenbirdParulidae+70%
Red-eyed VireoVireonidae+96%
Northern ParulaParulidae+101%
Yellow WarblerParulidae+103%
White-breasted NuthatchSittidae+152%
Pileated WoodpeckerPicidae+159%
Warbling VireoVireonidae+187%
Hooded WarblerParulidae+234%
Louisiana WaterthrushParulidae+235%
Eastern BluebirdTurdidae+283%
Tufted TitmouseParidae+358%
Yellow-bellied SapsuckerPicidae+426%
Marsh WrenTroglodytidae+445%
Worm-eating WarblerParulidae+568%
Blue-gray GnatcatcherPolioptilidae11×
Red-bellied WoodpeckerPicidae24×
Pine WarblerParulidae32×
Carolina WrenTroglodytidae33×

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