They comprise the extant families Odobenidae (whose only living member is the walrus), Otariidae (the eared seals: sea lions and fur seals), and Phocidae (the earless, or true seals). Seals range ...
Pay attention to those ears. / David Martin, Moment Collection, Getty Images (seal, left); Westend61, Westend61 Collection, Getty Images (sea lion, right); Justin Dodd, Mental Floss (frame ...