Did all herbivores walk on 4 legs?

Why is it impossible to have a tortoise shell male offspring? Do raccoons sleep in snow piles? Where horse live on a farm? How do you play tag? How much can you earn as a horse riding instructor? What is the frost line in elk city ok? What are the thick whiskers on the side of a dogs face? Can you have an empty armadillo shell? What if a guinea pig starts shaking and purring when pet on the back? How much of a walruses life is spent in water? When the post method is used to submit a form the name portion of the name or value pair becomes the value assigned to the array element? What is the animal beaver's lair called? How can natural selection account for the long snout anteater? Do vets sedate dogs for bonfire night? Do all mammals breastfeed? How much do voice lessons cost? What companies sell dog collars? What diseases can dogs get from wild rabbits? Where do chimpanzees sleep? What year was the cats worshiped in Egypt?