Seals range in size from the 1 m (3 ft 3 in) and 45 kg (99 lb) Baikal seal to the 5 m (16 ft) and 3,200 kg (7,100 lb) southern elephant seal, which is also the largest carnivoran.[b] Several ...

And yet whales are not the only marine mammals whose ancestors had their origins on dry land. The ancestors and relatives of seals and sea lions, called pinnipeds, also took the plunge in the deep ...