Kiwis lay the largest egg in the world in proportion to the body, and have one of the longest incubations: almost three months, against three weeks for a hen.
From Southern Brown Kiwi
The male does the incubating in most species, and in the southern brown kiwi the pairs are monogamous for life and defend the same territory for decades.
From Southern Brown Kiwi
New Zealanders call themselves Kiwis, and the bird is the country's national symbol even though most of them have never seen one in the wild.
From Southern Brown Kiwi
It lays one of the largest eggs relative to body size of any bird.
From North Island Brown Kiwi
It is the only bird with nostrils at the tip of its bill.
From North Island Brown Kiwi
It gives New Zealanders the nickname they are known by.
From North Island Brown Kiwi
It is the only bird in the world with its nostrils at the tip of its bill: it sniffs the ground as it probes the leaf litter, and its olfactory bulb is enormous in proportion to its brain.
From Great Spotted Kiwi
It lays the largest egg in the world relative to body size: up to a quarter of the female's weight, the equivalent of a woman giving birth to a four-year-old child.
From Great Spotted Kiwi

Ecosystems