The Brown Teal is endemic to New Zealand. Breeding males show a green sheen on the head and a dark chestnut breast; the species is now mostly restricted to the northern North Island.
Breeding males have a faint green sheen on the head, a dark chestnut breast, and conspicuously barred flanks. Females and juveniles are uniformly dull, dark brown.
It now often uses farm ponds and small streams with overhanging vegetation for feeding and breeding. Some birds also feed in estuaries on Great Barrier Island.
An extinction-risk assessment has not been added yet.