ANSERIFORMES: Anatidae
Biziura lobata
Musk Ducks have legs that are placed far back on the body to help them swim and dive, making them clumsy walkers.
So, unlike many other duck species, they are very rarely seen on land, preferring to stay in the water.
(Birds in Backyards: birdsinbackyards.net/species/Biziura-lobata)