Authenticated (16/01/08) by Dr. Peggy Rismiller, Pelican Lagoon Research and Wildlife Centre, Kangaroo Island, Australia.
http://www.echidna.edu.au
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.