Zoological name: There are two species- the common echidna
(Tachyglossus aculeatus) and the long- nosed echidna (Zaglossus
Distribution: They are confined in Australia, Tasmania and New Guinea.
Habitat: The habitats in which they live include streams, rivers, lakes, semi-arid areas and mountains.
Physical features: The physical features include short and stubby tails, long snouts without hair, long and mobile tongues, no teeth and absence of necks. The foot is turned outwards and forefeet have spatulated claws. They can be readily recognized by their spines or quills.