Description
These large semi-aquatic mammals are considered the second-largest land mammal on Earth (Elephants are the largest).
Despite their size, hippos are great swimmers and can even hold their breath for up to five minutes underwater.
These large semi-aquatic mammals are considered the second-largest land mammal on Earth (Elephants are the largest).
Despite their size, hippos are great swimmers and can even hold their breath for up to five minutes underwater.