Crocodile bulks of swallowed prey flesh and bone. Many large crocodilians swallow stones (called gastroliths or stomach stones), which may act as ballast to balance their bodies or assist in crushing food, similar to grit ingested by birds. Herodotus claimed that Nile crocodiles had a symbiotic relationship with certain birds, such as the Egyptian plover, which enter the crocodile's mouth and pick leeches feeding on the crocodile's blood; with no evidence of this interaction actually occurring in any crocodile species, it is most likely mythical or allegorical fiction. Since they feed by grabbing and holding onto their prey, they have evolved
Plover, Iowa Plover, Iowa Plover is a city in Pocahontas County, Iowa, United States. The population was 77 at the 2010 census. Plover was platted in 1883, soon after the Des Moines and Fort Dodge Railroad was built through that territory. The railroad president named the town after the plover bird. Plover is located at (42.878058, -94.622648). According to the United States Census Bureau, the city has a total area of , all of it land. As of the census of 2010, there were 77 people, 34 households, and 20 families residing in the city. The population density was . There were