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
Chestnut-banded plover the breeding months are placed between March and October according to some authors, who also report large numbers of the chestnut-banded plover at the coast during December and January. or The plover populations in Kenya and Tanzania in the African Great Lakes breed between March and October. The birds move up and down the Rift Valley, with peak numbers occurring at Lake Manyara between July and September. There are reports of birds outside their normal range, which suggests some kind of nomadism. This species is mostly associated with alkaline and saline water. "Charadrius pallidus" has two separate populations. The nominate