emu and hence best treated as a subspecies.

Description

The emu is the second tallest bird in the world, only being exceeded in height by the ostrich; the largest individuals can reach up to 150 to 190 cm in height. Measured from the bill to the tail, emus range in length from 139 to 164 cm, with males averaging 148.5 cm and females averaging 156.8 cm. Emus are the fourth or fifth heaviest living bird after the two species of ostrich and two larger species of cassowary,

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