D. Parer & E. Parer-Cook / Budgerigar (Melopsittacus undulatus) and Zebra Finch (Taeniopygia guttata) mixed group perching in tree, Pilbara, Western Australia, Australia

D. Parer & E. Parer-Cook / Budgerigar (Melopsittacus undulatus) group perching in tree, Pilbara, Western Australia, Australia

D. Parer & E. Parer-Cook / Galah (Eolophus roseicapilla) trio drinking at waterhole, Pilbara, Western Australia, Australia

D. Parer & E. Parer-Cook / Cockatiel (Nymphicus hollandicus) flock flying to desert waterhole, Pilbara, Western Australia, Australia

D. Parer & E. Parer-Cook / Western Pebble-mound Mouse (Pseudomys chapmani) constructing its mound of pebbles, Pilbara region, Western Australia, Australia

Doug Perrine / Australian flatback sea turtle (Natator depressus) female digging nest in sand, Delambre Island, Pilbara, Western Australia, November

Doug Perrine / Australian flatback sea turtle (Natator depressus) endemic to Australia and southern New Guinea, female covering nest with sand after laying eggs, Delambre Island, Pilbara, Western Australia, November

Doug Perrine / Australian flatback sea turtle breathing at surface(Natator depressus), endemic to Australia and southern New Guinea, raises head to breathe, Indian Ocean off Delambre Island, Pilbara, Australia, Nov...

Chien Lee / Pilbara Death Adder (Acanthophis wellsi), Western Australia, Australia

Juergen Freund / Researcher Guido Westhoff photographing an olive python (Liasis olivaceus) on a termite mound. Queensland, Australia, February 2008

Juergen Freund / Olive python (Liasis olivaceus) perched on a tree by the edge of a watering hole. Queensland, Australia, February

Juergen Freund / Olive python (Liasis olivaceus) perched on top of a termite mound. Many pythons shelter in hollow termite mounds when not hunting. Queensland, Australia, February