The echidna or spiny anteater, is an unusual mammal. It is so different from any other that it still puzzles researchers and scientists .. sandiegozoo.org/animalbytes/t-echidna.h... Rainforest Echidna
Rainforest Echidna, photos and text. Courtesy of Chambers Wildlife Rainforest Lodge, Atherton Tableland, Far North Queensland, Australia rainforest-australia.com/echidna.htm Introduction to the Monotremata
Berkeley's introduction to monotremes, with information about their fossil record, biology, systematics, ecology and morphology. ucmp.berkeley.edu/mammal/monotreme.html... Platypus
The platypus is a small, semi-aquatic mammal endemic to the eastern part of Australia, and one of the four extant monotremes academickids.com/encyclopedia/index.php/Pla... The Duck Billed Platypus
Brief descriptions of platypus and echidna, with photographs. nwcreation.net/platypus.html Monotreme Extreme
The echidna and its habits. enchantedlearning.com/subjects/mammals/... Long-beaked Echidna
Long-beaked echidnas are egg-laying mammals, known as monotremes, a group that also includes the duck-billed platypus and the short-beaked echidna.
Rainforest Platypus, photos and text. Courtesy of Chambers Wildlife Rainforest Lodge, Atherton Tableland, Far North Queensland, Australia