Which of the following is least like the others? bear, elephant, badger, hamster

Out of the bear, elephant, badger and hamster, the one that is least like the others is the elephant. The elephant is not furry and has no hair like the other animals listed. Elephants also have a trunk and not a nose. The elephant also doesn't have claws like the other animals. All of the animals listed are mammals since they give live birth to their young. 

Explanation:

C