two Australian pelicans standing on the grass in zoo preparing to take off

australian pelican preparing take off pelican two pelicans standing grass zoo bird wildlife prepare flight waterfowl avian feathers beak plumage habitat nature exotic creature fauna ornithology aviary exhibit animal environment park attraction birdwatching wings shorebirds aquatic landscape scenic closeup grassland ecosystem white pelican pond wild lake natural pelecanus conspicillatus waterbird australia indonesia airborne