They eat waterweed all the time and are lazy. They are the second heaviest land animals and are so heavy they can't even jump off the ground. Male hippos are called bulls, females are called cows, and babies, calves. A bull hippo weighs about as much as 60 men. Birds like egrets will clean the hippo's skin from ticks and other bugs and the hippo just sits there and let them do it.
Giraffes are the tallest animals in the world.
They are shy, quiet, and harmless. They have very good sight for miles around,and live in very small herds, and their legs help them run for a very long distance and not be tired, and run to a top speed of 47 kph. Their only enemies are lions who only prey on the sick and weak. Zebras live in small herds that are led by a male called the stallion. Females are called mares and babies, foals.