Guild · Michigan · BBS 2025 Release · 1966–2024

Waterfowl In Michigan

10 species in this guild. As a group they are +318% since 1968.

Guild Signals

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

Forecast

If the recent trend holds, Waterfowl in Michigan is projected to stay roughly flat through 2029, near 1.7 (95% range 0.91–2.4). A 5-year backtest shows a typical error of ±17.5%, with 80% of held-out values landing inside the 95% band.

-6%Change by 2029

1.7Projected 2029 index

0.91–2.495% range

±17.5%Backtest error

Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.

Year	Projected index	95% low	95% high
2025	1.6	0.85	2.4
2026	1.6	0.86	2.4
2027	1.6	0.88	2.4
2028	1.7	0.90	2.4
2029	1.7	0.91	2.4

Member Species In Michigan

Waterfowl species in Michigan.

Blue-winged Teal	Anatidae	-76%
American Black Duck	Anatidae	-56%
Mute Swan	Anatidae	-25%
Common Merganser	Anatidae	-18%
Hooded Merganser	Anatidae	+46%
Mallard	Anatidae	+119%
Wood Duck	Anatidae	+160%
Ring-necked Duck	Anatidae	+255%
Trumpeter Swan	Anatidae	+315%
Canada Goose	Anatidae	77×

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