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
Common ringed plover Common ringed plover The common ringed plover or ringed plover ("Charadrius hiaticula") is a small plover that breeds in Arctic Eurasia. 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 "hiaticula" is Latin and has a similar meaning to the Greek term, coming from "hiatus", "cleft" and "-cola", "dweller" ("colere", "to dwell"). Adults are in length with a wingspan. They have a grey-brown back and wings, a white belly, and a white breast