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
Lesser sand plover Lesser sand plover The lesser sand plover ("Charadrius mongolus") is a small wader in the plover family of birds. The spelling is commonly given as lesser sand-plover, but the official British Ornithologists' Union spelling is "lesser sand plover". The genus name "Charadrius" is a Late Latin word for a yellowish bird mentioned in the fourth-century Vulgate. It derives from Ancient Greek "kharadrios" a bird found in ravines and river valleys ("kharadra", "ravine"). The specific "mongolus" is Latin and refers to Mongolia which at the time of naming referred to a larger area than the present country. There are five races,