Anseriformes
Anatidés
Aythya
americana
Redhead (Aythya americana) is a species of bird in the Anatidae family.
Wetlands (inland) : Bogs, Marshes, Swamps, Fens, Peatlands, Permanent Freshwater Lakes (over 8ha), Permanent Freshwater Marshes/Pools (under 8ha), Seasonal/Intermittent Freshwater Marshes/Pools (under 8ha) ; Marine Neritic : Estuaries ; Marine Intertidal : Salt Marshes (Emergent Grasses)