Family TACHYGLOSSIDAE
(ECHIDNAS)
* Medium-sized, egg-laying mammals, completely lacking teeth, adapted for insectivorous or myrmecophagous diet, with robust, dome-shaped, spine-covered bodies and slender beaks.
e 30-65 cm.
* Australasian Region.
* Mainly montane forests and alpine grasslands in New Guinea, but almost all terrestrial habitats in Australia.
s 2 genera, 4 species, 11 taxa.
* 3 species Critically Endangered; none Extinct since 1600.