Authenticated (16/01/08) by Dr. Peggy Rismiller, Pelican Lagoon Research and Wildlife Centre, Kangaroo Island, Australia. http://www.echidna.edu.au
Glossary
Diurnal: active during the day.
Invertebrates: animals with no backbone.
Monotreme: an egg-laying mammal.
Nocturnal: active at night.
Subspecies: a population usually restricted to a geographical area that differs from other populations of the same species, but not to the extent of being classified as a separate species.