David W Hartney: Estuarine (Saltwater) Crocodile (and two flies on the eye), Yellow Water, Kakadu NP, NT
David W Hartney: 'Head in the mud', Water Buffalo mucking about, Yellow Water, Kakadu NP, NT
David W Hartney: Agile Wallaby, Nitmiluk NP, NT
David W Hartney: Dragonfly, Kakadu NP, NT
David W Hartney: 'Oblivious or not concerned', Jacana chicks and crocodile. Yellow Water wetlands, Kakadu NP, NT
David W Hartney: Estuarine Crocodile, Prince Regent River, East Kimberley, WA
David W Hartney: Freshwater crocodile, Ord River, East Kimberley, WA
David W Hartney: Goanna, Cheela Plains, Pilbara, WA
David W Hartney: Humpback Whale, diving, Exmouth Gulf, Coral Coast, WA
David W Hartney: Humpback whale mother and calf, learning, Exmouth Gulf, Coral Coast, WA
David W Hartney: Humpback Whale blow, Exmouth Gulf, WA
David W Hartney: Euro, Osprey Bay, (Ningaloo), Cape Range NP, WA
David W Hartney: Sand Monitor, Eagles Bluff, Shark Bay WHA, WA
David W Hartney: Young Western Grey Kangaroo, Yalgorup NP, south-west WA
David W Hartney: Western Grey Kangaroo family with one in the pouch, Malbup Creek, Ludlow Tuart Forest, south-west WA
David W Hartney: Western Grey Kangaroo, mum and joey, Cape Le Grand NP, sw WA
David W Hartney: Western Grey Kangaroo, next generation, Cape Le Grand NP, sw WA
David W Hartney: Australian Sea Lions, Point Labatt, Eyre Peninsula, South Australia
David W Hartney: Kangaroo neighbours, The Cape Ecovillage, Cape Paterson, Victoria
David W Hartney: Kangaroo neighbours, The Cape Eco Village, Cape Paterson, Victoria
David W Hartney: Eastern Grey Kangaroo, drinking, farm dam, East Metcalfe, central Victoria
David W Hartney: Eastern Water Dragon, Landers Creek, Talbingo Dam, Snowy Mountains, NSW
David W Hartney: Eastern Grey Kangaroo and joey, Carnarvon Gorge NP, central Qld
David W Hartney: Whiptail Wallaby, Carnarvon Gorge NP, central Qld
David W Hartney: Humpback whale breach, Lady Elliot Island, Great Barrier Reef, Queensland
David W Hartney: Swamp Wallaby, surprised while grazing, The Cape Ecovillage, Cape Paterson, Victoria
David W Hartney: Eastern Grey Kangaroo (male), an evening stretch and scratch, Cape Paterson, Victoria
David W Hartney: Watching the sun rise, Eastern Grey Kangaroo, juvenile, The Cape, Victoria
David W Hartney: Humpback Whale, breach, off Wilson's Promontory, 2 Oct 20
David W Hartney: Humpback Whale, breach, Wilson's Promontory, 2 Oct 20