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
Quail-plover Quail-plover The lark buttonquail, lark-plover or quail-plover ("Ortyxelos meiffrenii") is a species of buttonquail in the family Turnicidae. It is monotypic within the genus Ortyxelos. The quail-plover is a small, short-tailed cursorial bird which looks a little like a miniature courser when on the ground. The upperparts are a sandy-rufous colour and the underparts mainly whitish. They show a distinctive wing pattern in flight when the contrast between the white primary coverts and the black with white-tipped remiges to form a distinct diagonal band on the upperwing. Its fluttering flight style is rather lark-like. The females are slightly darker than