Nile crocodile stability and additional weight to sink in water, this bearing great probability over the theories that they assist in digestion and staving off hunger. However, Alderton (1998) stated that a study using radiology found that gastroliths were seen to internally aid the grinding of food during digestion for a small Nile crocodile. Herodotus claimed that Nile crocodiles have a symbiotic relationship with certain birds, such as the Egyptian plover ("Pluvianus aegyptius"), which enter the crocodile's mouth and pick leeches feeding on the crocodile's blood, but no evidence of this interaction actually occurring in any crocodile species has been found, and
Kittlitz's plover Kittlitz's plover Kittlitz’s plover ("Charadrius pecuarius") is a small shorebird (35-40 g) in the family Charadriidae that breeds near coastal and inland saltmarshes, sandy or muddy riverbanks or alkaline grasslands with short vegetation. It is native to much of Sub-Saharan Africa, the Nile Delta and Madagascar. It is thought to be mainly monogamous and has monomorphic plumage. Kittlitz’s plover is a small shorebird weighing between 35-40 grams. Both male and female have a black bill, dark brown eyes with black eyelids and black legs, although sometimes the legs can appear greenish or grey. During the breeding season, the male has