grey pelican long-billed bird

acorns acuity africa air and animal animals asia australia avifauna beak beautiful bird birds body brood coastal couples crane del delta eggs egypt eurasia europe exotic expecially extinction familynit fish flamingo flight grey gruvidae hull inland insects lakes large legsn long longbilled loyalty member migrations migratory nature nesting north ornithology oviparous park paws pelican pelicanngrey pellican pink plumage protected rivers ruanda sky southern species sternum swamps temperature thermoregulation thin vertebrates visual waders water waters wildlife zoology