Gerry Ellis / Great Bowerbird (Chlamydera nuchalis) male in courting bower, Katherine Gorge National Park, Australia

D. Parer & E. Parer-Cook / Lumholtz's Tree-Kangaroo, (Dendrolagus lumholtzi) climbing in Queensland Silver Ash (Flindersia bourjatiana) showing adaptive foot, Atherton Tableland, Queensland, Australia

Cyril Ruoso / Thorny Devil (Moloch horridus) portrait, Kalbarri National Park, Australia

D. Parer & E. Parer-Cook / Water-holding Frog (Cyclorana platycephala) breaking from skin underground after the start of rain, central Australia

Christian Ziegler / Warty Hammer Orchid (Drakaea livida) flower has hinge mechanism to manipulate its pollinator into just the right position to receive its pollen, south of Perth, western Australia

Fred Bavendam / Spotted Handfish (Brachionichthys hirsutus) showing modified pectoral fins used for walking, Tasmania, Australia

Fred Bavendam / Handfish (Brachionichthys sp) showing modified pectoral fins used for walking, Tasman Peninsula, Australia

Fred Bavendam / Red Handfish (Brachionichthys politus) showing modified pectoral fins used for walking, Tasman Peninsula, Australia

Grant Dixon / Cushion plant, Mount Anne, Southwest National Park, Tasmania, Australia

D. Parer & E. Parer-Cook / Platypus (Ornithorhynchus anatinus) venomous spur on rear leg of male, Tasmania, Australia