By the time they were as large as ponies they used only the third toe.
Two side toes hung like the dew-claws of a dog, but they did not reach the ground.
When the Tree-dwellers lived, little bones beneath the skin were all that was left to show where the side toes had been.
The hoof had become round and hard.
The wild horses ran very fast.
They outran all other creatures.
When surprised, they struck hard blows with their hoofs, and they bit with their sharp teeth.
But if there was a chance to get away, they always ran when they were attacked.
THINGS TO DO
Name all the animals you know that can climb trees. What kind of feet do they have?