Roland Seitre / Platypus (Ornithorhynchus anatinus) underwater. Captive. Australian Reptile Park, Gosford, New South Wales.

Alex Mustard / A male Leafy Seadragon (Phycodurus eques) carries a new batch of eggs on his tail. Wool Bay Jetty, Edithburgh, Yorke Peninsula, South Australia, November.

Alex Mustard / A Leafy Seadragon (Phycodurus eques) swims over a seagrass bed. Wool Bay Jetty, Edithburgh, Yorke Peninsular, South Australia, November.

David Tipling / Red-collared Honeyeater / Red-collarded Myzomela (Myzomela rosenbergii) male feeding from flower, Mount Hagen, Western Highlands, Papua New Guinea

David Tipling / Red-collared Honeyeater / Red-collarded Myzomela (Myzomela rosenbergii) male, Mount Hagen, Western Highlands, Papua New Guinea

David Tipling / Brown Sicklebill (Epimachus meyeri) female, Kumul Lodge, Western Highlands, Papua New Guinea

David Tipling / Belford's Honeyeater (Meledictes belfordi) perched on branch, Kumul Lodge, Western Highlands, Papua New Guinea

David Tipling / Belford's Honeyeater (Melidictes belfordi) feeding on nectar, Kumul Lodge, Western Highlands, Papua New Guinea

David Tipling / White-winged Robin (Peneothello sigillatus hagenensis) male, on tree, near Mount Hagen, Western Highlands, Papua New Guinea

David Tipling / Belford's Honeyeater (Melidectes belfordi) perched, Kumul Lodge, Western Highlands, Papua New Guinea

David Tipling / Friendly Fantail (Rhipidura albolimbata) Tari Southern Highlands, Papua New Guinea

David Tipling / Blue-grey Robin (Peneothello cyanus) Tari, Southern Highlands, Papua New Guinea