A foal is an equine up to one year old; the term is used mainly for horses. More specific terms are colt for a male foal and filly for a female foal, used until the horse is three or four, ery young horse or donkey.
An animal with long legs, that eats grass, leaves, etc. and can run fast. Most male deer have antlers (= horns shaped like branches). There are many types of deer.
An African or Asian animal like a deer, that runs very fast. There are many types of antelope. An antelope is a member of a number of even-toed ungulate species indigenous to various regions in Africa and Eurasia.
