In a word, ballast. They use the stones to help them sink to the bottom of the river, pond, or wherever they are living.
Crocodiles would eat boars if given the chance. Crocodiles typically eat smaller animals, but they will go after larger ones if that's all that is there.
In the very southern tip of china, people do eat young saltwater crocodiles.
Tigerfish eat fish, reptiles, birds, and young crocodiles.
Nile crocodiles eat fish, reptiles, turtles, birds, antelopes, warthogs, wildebeest, zebras, buffalos, and young hippos.
Yes they do. If they can not catch their prey they eat their young ones.
They eat antelope, warthogs, wild cats, and young crocodiles.
Crocodiles eat dead ones, or may take a baby from time to time.
Crocs don't chew their food, they rip out lumps that they swallow. The stones help grind up the food in the stomach.
Rock pythons eat young crocodiles, but never adults. Hippos dominate over crocodiles in fights.
Young crocodiles (hatchlings) will certainly eat grasshoppers, for small insects are their main menu in this fase. Not only grasshoppers are prey to young crocodiles, but also flees, caterpillars, small fish, etc. As they grow,they will target larger animals.
Rhinos are endangered herbivores. This means they mainly eat plants and are therefore not predators. The young ones of rhinos may be attacked and eaten by lions, hyenas, or crocodiles.
Big Ones yup, 2 species that have been documented to eat alligators, crocodiles and caimans are Pythons and Anacondas. Click on the link below to follow the action: