An Australasian darter or Australian darte perched on a rock, with green grass in the background

anhinga darter snakebird anhingidae australasian darter tropical bird perched rock background perch stone green grass static australasian australian darte green grass wildlife avian nature observation habitat feathers plumage aviculture ornithology sanctuary exploration birdwatching environment ecology outdoors natural landscape scene rocks animal aquatic perching wild fauna scenery river wings beak ecosystem shore wilderness