Branta sandvicensis

Nene:

IUCN Listing: Vulnerable - increasing population
A highly endangered waterfowl based on the Hawaiian Islands. Their naïve attitude plays a role in their demise. 

Winter Habitat: Grasslands

Food: Herbs, berries, grass

Foraging Technique: Grazing

Breeding Habitat: During the breeding season, they tend to be among the lowlands as well as in mountains as tall as 9000 feet many places where lava still flows.

Nesting Preference: Ground nesting with down

Average Clutch Size: 2-3 eggs

First age of Breeding:  2 years but some females have been known to breed as yearlings

Literature cited:

Planet of Birds

Ducks, Geese and Swans of the World