beautifull eyelashes big bird big spout hornbill red background bird detail flying green Heron white heron Australian big cultural culture curious curly double-feathers dromaius novaehollandiae Emu fast fauna flightless icon iconic large long-legged long-legged flightless bird male native nomadic omnivore omnivorous plumage ratite runner sharp-eyed soft-feathered symbol symbolic three-toed widespread wildlife Asia beautiful birds pelican water white beak eye feather Goliath head high branch flight grey stick