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
Red-capped plover Red-capped plover The red-capped plover ("Charadrius ruficapillus"), also known as the red-capped dotterel, is a small plover. It breeds in Australia. The species is closely related to (and sometimes considered conspecific with) the Kentish plover, Javan plover and white-fronted plover. Red-capped plovers have white underparts and forehead. Their upperparts are mainly grey-brown. Adult males have a rufous or reddish-brown crown and hindneck. Adult females have a paler rufous and grey-brown crown and hindneck, with a pale loreal stripe. The upperwing of "Charadrius ruficapillus" shows dark brown remiges (flight feathers) and primary covert feathers with a white wingbar in flight. Its