According to Friends of the Elephant Seal, the last pupping season saw around 5,000 seal pups born at the Piedras Blancas rookery, which is the largest mainland rookery for northern elephant seals.

They ask visitors to keep the pups safe by staying out of closed areas at the seashore. Northern elephant seals weigh up to 2.2 tons at full size and reach up to 13 feet in length, the National ...