Cats would look so odd if they didn't have ears.
Moles have claws BIGGER THAN THEIR FACE.
Frogs have freakily long toes.
Bats... ok, bats are still quite creepy.
Chameleons are not always that good at blending in.
A duck's beak is basically its whole head.
Rays are actually much more complicated than their smooth exterior suggests.
You do not want to mess with a sawfish.
Monkeys are scarily human.
Goldfish have bones in their fins.
A chicken's legs are really quite long.
Porcupinefish are extremely spiky.
Seahorses are pretty damn cool.
Lizards are basically just one long spine.
This is how a diving bird makes itself streamlined.
And of course penguins have knees.