New Zealand scaup They nest from October to March. They lay five to eight cream/white eggs in a nest close to water, often under banks or thick cover. The nest is usually lined with grass and down. The eggs are incubated for four weeks by the female. The newly hatched ducklings begin diving for food on their first outing. 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.
Greater scaup zinc, manganese, copper, lead, cadmium, cobalt and nickel in their tissue samples with varying concentrations of metals in different types of tissues. Further analysis revealed that the kidneys had the highest levels of cadmium, the liver had the highest levels of copper and manganese, the liver and the stomach had the highest levels of zinc, and the lungs and liver had the highest levels of iron. There was no difference in concentration when comparing genders. Greater scaup are rated as a species of least concern by the IUCN Redlist. During aerial population surveys greater and lesser scaup are counted together,