Elephants use their long trunks to take mud baths to cool off and have two ivory tusks. Lions are carnivores that hunt for their own food with male lions having distinctive manes. Zebras have brown stripes but are often thought to be black, are related to horses, and are preyed on by crocodiles and lions. Crocodiles lose 20 teeth per day, eat other animals, and lie in wait to ambush prey. Rhinoceroses have hair-made horns, two horns, eat plants, and have three toes on each foot.