Genus Oxyura

Australian Blue-billed Duck - The Blue-billed Duck was described in 1836 by ornithologist John Gould. The specific name australis is derived from the latin for "southern" and hence Australian, while the generic name is derived from the latin oxy- "sharp" and ura "tail".

Ruddy Duck - The Ruddy Duck is a small stiff-tailed duck.

White-headed Duck - Adult males have a grey and reddish body, a blue bill and a largely white head with a black cap and neck. Adult females have a grey-brown body with a white face and a darker bill, cap and a cheek stripe.

 

Maccoa Duck - Adult males have a chestnut body, a blue bill and a black head. Adult females have a grey-brown body, with a dark grey bill and a dark brown crown, nape and cheek stripe.

Lake Duck - Range: Chile and Argentina, sometimes migrating in winter to southern Brazil and Paraguay. Clumsy on land since their legs are set unusually far back. They spend most of their time in water where they feed by diving, and rarely fly.

Order : Anseriformes
Family : Anatidae
Genus : Oxyura