Doug Perrine / Tawny nurse shark asleep under coral reef ledge {Nebrius ferrugineus} Burma Banks, Thailand, Andaman Sea (Non-ex).

Elio Della Ferrera / Atlas moth {Attacus atlas} on nurse plant Sri Lanka

Neil Lucas / Nurse log in Olympic NP, Washington State, USA

Doug Gimesy / After a flight from Mallacoota and just landing at East Sale RAAF base, a young Koala (Phascolarctos cinereus) named 'Micky' - one of 6 being evacuated from the Mallacoota wildlife triage centre to M...

Doug Gimesy / Baby Koala (Phascolarctos cinereus) named 'Micky' - one of six evacuated from the Mallacoota wildlife triage centre to Melbourne for further treatment to burns resulting from the Mallacoota bushfires...

Rick Price / Tawny nurse shark (Nebrius ferrugineus) at water surface. Talbot Bay, The Kimberley, Western Australia.

Rick Price / Tawny nurse shark (Nebrius ferrugineus) below water surface. Talbot Bay, The Kimberley, Western Australia.

Gary Bell/ Oceanwide / Grey Nurse Shark (Carcharias taurus) and diver, Solitary Islands Marine Park, New South Wales, Australia

Gary Bell/ Oceanwide / Grey Nurse Shark (Carcharias taurus), Fish Rock, New South Wales, Australia

Gary Bell/ Oceanwide / Grey Nurse Shark (Carcharias taurus), Fish Rock, New South Wales, Australia

Gary Bell/ Oceanwide / Grey Nurse Shark (Carcharias taurus) scraping parasites off in sand, Solitary Islands Marine Park, New South Wales, Australia

Gary Bell/ Oceanwide / Grey Nurse Shark (Carcharias taurus), Solitary Islands Marine Park, New South Wales, Australia