Nile crocodile (Crocodylus niloticus) with Great white pelican (Pelecanus onocrotalus) prey. Other pelicans flying or wings held up in alarm. Msicadzi River, Gorongosa National Park, Mozambique. During the dry season many water sources dry up trapping fish in smaller areas. Many birds and crocodiles gather to feed on this abundant food source. However the crocodiles will also prey on the birds when they can.