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

Waterfowl In Connecticut

All statesConnecticut

7 species in this guild. As a group they are +47% since 1968.

Guild Signals

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

Forecast

If the recent trend holds, Waterfowl in Connecticut is projected to rise about 259% by 2029 — from 0.48 in 2024 to a central estimate of 1.7 (95% range 0.00–3.7). A 5-year backtest shows a typical error of ±154.1%, with 100% of held-out values landing inside the 95% band.

+259%Change by 2029
1.7Projected 2029 index
0.00–3.795% range
±154.1%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
20251.70.003.8
20261.70.003.8
20271.70.003.7
20281.70.003.7
20291.70.003.7

Member Species In Connecticut

Waterfowl species in Connecticut.
American Black DuckAnatidae-88%
Hooded MerganserAnatidae-82%
MallardAnatidae-16%
Common MerganserAnatidae-15%
Wood DuckAnatidae-13%
Canada GooseAnatidae-12%
Mute SwanAnatidae+11%

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