APTERYX
kiwi, apteryx
(noun) nocturnal flightless bird of New Zealand having a long neck and stout legs; only surviving representative of the order Apterygiformes
Source: WordNet® 3.1
Etymology
Noun
apteryx (plural apteryxes)
(dated) kiwi bird
Source: Wiktionary
Ap"te*ryx, n. Etym: [Gr. Aptera.] (Zoöl.)
Definition: A genus of New Zealand birds about the size of a hen, with only
short rudiments of wings, armed with a claw and without a tail; the
kiwi. It is allied to the gigantic extinct moas of the same country.
Five species are known.
Source: Webster’s Unabridged Dictionary 1913 Edition