For instance, the long - beaked echidna, a spiny, egg - laying mammal, is known from only a single specimen collected in 1961 by a Dutch researcher in Indonesia's Papua Province. (scientificamerican.com)
Your guide will help you spot koalas, kangaroos and echidnas in the wild. (wikiaustralia.com)
It and the two species of echidna are the only monotremes or egg - laying mammals to be found on earth. (religion.blogs.cnn.com)