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 Cove Plover Cove Plover Cove or Shuen Wan Hoi () is a cove in the Tai Po area of Hong Kong, near Tolo Channel and Tolo Harbour. It is encircled by the hills Pat Sin Leng and Wan Leng (橫嶺), the Yim Tin Tsai, Ma Shi Chau and Tung Tau Chau (東頭洲) island ranges, and a long peninsula extending from Fu Tau Sha (虎頭沙). A major part of the cove has been dammed to form the fresh water Plover Cove Reservoir. An area between Sha Lan Tsuen and Ting Kok is known as Shuen Wan, where the villages of Chan Uk,