A faun has the torso of a human but the legs and feet of a goat and horns on a human head
An example of a faun in The Lion the Witch and the Wardrobe would be Mr.Tumnas the first person Lucy meets in Narnia
the unicorns in Narnia are on Aslans side fighting in the army of the rightful king of Narnia
A unicorn looks like a horse with a horn in the middle of is forehead and usualy has unusual colored hair.
An example of a beaver in Narnia is Mr.Beaver who helps the kids find Aslan.
The beavers in Narnia are the same as here but they can talk.
Dwarves are very short and have long beards
In the book the dwarfs are part of the witches army and are her servants.
The reindeer in Narnia are close to the same as here but there are a smaller breed of white reindeer and a larger brown reindeer.
The reindeer in Narnia have the job of pulling the witches sled