Steven David Miller / Great bowerbird (Chlamydera nuchalis), male showing off treasures whilst female inspects bower. Lake Argyle, Kununurra, Western Australia.

Steven David Miller / Australian freshwater / Johnstone's crocodile (Crocodylus johnsoni) with fish in mouth, a scrap from a fisherman, Lake Kununurra, Western Australia, July

Steven David Miller / Australian freshwater / Johnstone's crocodile (Crocodylus johnsoni) with damaged upper jaw in shallow water waiting for a scrap from a fisherman, Lake Kununurra, Western Australia, July

Steven David Miller / Spillway diverting water during high flow event. Lake Argyle reservoir, dammed in 1971 for Ord River Irrigation Scheme. The Kimberley, Western Australia. 2017.

Steven David Miller / Cluster fig tree (Ficus racemosa) with abundance of fruit, provides food for birds. Kununurra, The Kimberley, Western Australia.

Rick Price / Lake Argyle reservoir, part of Ord River irrigation scheme. Hydro electric power generation at dam. The Kimberley, Western Australia, 2015.

Rick Price / Aerial view of reservoir, dam and the Ord River. Lake Argyle, The Kimberley, Western Australia. 2015.

Steven David Miller / Australian green tree frog (Litoria caerulea) camouflaged on Palm leaf. Lake Argyle, Kununurra, Western Australia.

Steven David Miller / Great bowerbird (Chlamydera nuchalis) male tending to bower decorated with green and white objects. Lake Argyle, Kununurra, Western Australia.

Steven David Miller / Great bowerbird (Chlamydera nuchalis), male tending to bower decorated with white and beige objects. Lake Argyle, Kununurra, Western Australia.

Steven David Miller / Great bowerbird (Chlamydera nuchalis), male tending to bower with twig in beak. Lake Argyle, Kununurra, Western Australia.

Steven David Miller / Black flying fox (Pteropus alecto), mother and baby roosting on branch. Kununurra, Western Australia.