Fact 1 (about the hump)
- A bison has a big bump on its shoulders made of strong muscles that help carry its heavy head.
- The shoulder hump is a bunch of muscles that let the bison lift and hold up its large head.
- The bison's shoulder bump is muscle that helps it keep its big, heavy head up.
Fact 2 (about how they eat)
- Like cows, bison stay in groups and eat grass, little shoots, and leaves.
- They walk together with other bison and bite off grass and leaves to eat.
- Bison live in groups like cows and munch on grass, young plants, and leaves.