New Zealand scaup New Zealand scaup The New Zealand scaup ("Aythya novaeseelandiae") commonly known as a black teal, is a diving duck species of the genus "Aythya". It is endemic to New Zealand. In Māori commonly known as papango, also matapouri, titiporangi, raipo. Overall dark brown/black colors. The male has a striking yellow eye and a dark colored (greenish) head. The female is similar to the male, but without the yellow eye and has a white face patch during breeding season. A white wing bar can be seen in both sexes when in flight. The scaup is a diving duck which may submerge
Lesser scaup well as seeds and other parts of aquatic plants like sedges and bulrushes (Cyperaceae), "pondweeds", widgeon-grass ("Ruppia cirrhosa"), wild celery ("Vallisneria americana") or wild rice ("Zizania"). In winter, but less so in summer, other aquatic animals—crustacean, insect and their larvae and small fishes—form an important part of their diet. It has been reported that both the lesser and the greater scaup have shifted their traditional migration routes to take advantage of the presence of the zebra mussel ("Dreissena polymorpha") in Lake Erie, which was accidentally introduced in the 1980s and has multiplied enormously. This may pose a risk to these