Great White Pelican Sleeping On Rock With Large Bill Tucked Up On Its Back

pelican sleeping rock large bill tucked up back bird white pelican great white pelican sleep zoo natural nature water closeup animal wildlife plumage freshwater wild ornithology behaviour behavior close up eastern white pelican pelecanidae position water bird waterbird safari rosypelican rosy large habitat bill big white seabird zoology head life pelecanus onocrotalus lake feather beak pelecanus onocrotalus wilderness