Anseriformes
Anatidés
Anas
wyvilliana
Hawaiian Duck (Anas wyvilliana) is a species of bird in the Anatidae family.
Forest : Subtropical/Tropical Swamp ; Grassland : Subtropical/Tropical Seasonally Wet/Flooded ; Wetlands (inland) : Permanent Rivers/Streams/Creeks (includes waterfalls), Permanent Freshwater Lakes (over 8ha), Permanent Freshwater Marshes/Pools (under 8ha) ; Marine Coastal/Supratidal : Coastal Brackish/Saline Lagoons/Marine Lakes ; Artificial/Aquatic and Marine : Ponds (below 8ha)