Asia beautiful big bird birds pelican water white beak bill eastern eye feathers great gullet head neck Pelecanus onocrotalus closeup eyes gray sky drink grass hosepipe mouth thirsty wader black grey sky light perched pole summer waiting yellow ocean Sea bird Australian Australian-pelican band banded color colored colors colour coloured colours fauna grooming large pelecanus-conspicillatus pelicans powerful resting stretching strong water-birds widespread wildlife animal feather group nature Pelecanus erythrorhy swim White pelican wings zoo