5. Frogs

They're like alien life forms and they make the strangest sounds.

4. Cats


They come in all sizes. The little ones are fun to play with, but the big ones are best left alone.

3. Owls



Silent killers of the night.

2. Squirrel Monkeys


They're like human babies, except hairy, hyper-active and amazingly acrobatic!

1. Pygmy Marmosets

The ultimate proof that God has an outrageous sense of humor!