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
Bird vocalization and prevent an energetically costly fight . In birds with song repertoires, individuals may share the same song type and use these song types for more complex communication. Some birds will respond to a shared song type with a song-type match (i.e. with the same song type). This may be an aggressive signal, however results are mixed. Birds may also interact using repertoire-matches, wherein a bird responds with a song type that is in its rival's repertoire but is not the song that it is currently singing. This may be a less aggressive act than song-type matching. Communication through bird