Pacific Black Duck

Pacific Black Duck found in much of Indonesia, New Guinea, Australia, New Zealand, and many in Island South Western Pacific. New Zealand usually call it Grey Duck, where it is also known by its Maori name, Parera.

Description

• Has a dark body, and a paler head with a dark crown and facial stripes.
• In flight, it shows a green speculum and pale under wing.
• Size range is 54-61 cm, males tend to be larger than females

Other Subspecies

• Rogersi - found by Mathew 1912, breeds in Indonesia, Australia and Southern New Guinea
• Pelewensis - found by Hartlaub and Finsch, 1872, breeds on the South west Pacific Island and Northern New Guinea.
• Superciliosa Gmelin - 1789, breeds in New Zealand.

Diet

Pacific Black Duck mainly is vegetarian. Feeding on seeds of aquatic plants. Supplemented with small crustacean, molluscs, and aquatic insects. How they eat? Food is obtained 'dabbling', where the bird plunges its head and neck underwater and upends, raising its rear end vertically out of the water.

Conservation Status

IUCN, categorize Pacific Black Duck as least concern, it's mean this species not endangered and still a lot in the wild, but it doesn't mean we can kill and destroy their habitats.

Reference:
http://www.birdsinbackyards.net/species/Anas-superciliosahttp://en.wikipedia.org/wiki/Pacific_Black_Duck