Bis forBedraggled
While people have toes on the end of their feet and cats and dogs have paws with claws, animals like cows and horses have hooves.
A hoof is just the tip of the animal's toe, encased in a hard substance made out of the same stuff as our fingernails are made from. Hooves continue to grow just like our fingernails, and are worn down by the animal walking around. If the animal like a horse walks around on very hard ground like a road their hoof will wear down too fast, so people make them special shoes to protect their hooves.
The hoof in the picture is a cow's hoof. Cows have cloven feet, meaning the hoof is divided into two sections.
Hair is something that grows on people's heads. It is also found on the rest of your body, but it is very very fine and can be hard to see (depending on the person!). The hair that grows on animals like cats and dogs is actually called fur, and the hair on sheep is called wool. The hairy stuff on even stranger things like spiders and some plants isn't hair either, just something that can look like hair and helps to protect whatever it is growing on. Hair on your face is called a beard or moustache.
A mongrel is a dog that you cannot tell what breed it is. Mongrels might simply be cross breeds, but are usually stray dogs that have been mixed breed for so long there is no way of telling what their ancestry is.
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