Echnidnas
Echidna Central, Long-beaked Echidna (Zaglossus bruijni), Rainforest Echidna, Short-beaked Echidna, Tachyglossus aculeatus, The Echidna
Platypus
Australian Platypus Conservancy, Duck-Billed Platypus (Ornithorhynchus anatinus), Platypus Tropical Research, Rainforest Platypus, Sleep of the Platypus, What is a Platypus?
Introduction to the Monotremata
Berkeley's introduction to monotremes, with information about their fossil record, biology, systematics, ecology and morphology.
Monotremata
Information about platypus (Ornythorhynchus), platypus research in Tasmania, and the two echidna species (Tachyglossus and Zaglossus). Includes photographs of hatching and young echidnas.