Page 18 - World of Animals - Issue #41
P. 18

Seals: masters of the oceans

            Northern elephant seal



            T h e s e l a r ge el e p ha n t s o f t h e s e a a r e h i g h l y c o m p e t i t i v e s u i t o r s
            These large elephants of the sea are highly competitive suitors
            The northern elephant seal is the second   Males begin to develop their trunk-like nose
            biggest seal in the world after the southern   between the ages of three and five as they

            elephant seal. Males grow up to four metres   become sexually mature. During the breeding
            (13 feet) in length and can weigh up to 2,000   season they clamber on to the beaches of
            kilograms (4,409 pounds). Females are much   California and Baja California to mate. At this
            smaller in size, measuring up to three metres   time, males deploy their unique appendage in
            (10 feet) long and weighing 600 kilograms   a fight for dominance, inflating their noses


            (1,323 pounds).                        and roaring at one another.
             NORTHERN ELEPHANT
             SEAL
             Mirounga angustirostris
             Class Mammalia




             Territory Pacific Ocean


             Diet Shark, flatfish, ratfish,

             crab, squid, and octopus
             Lifespan 17-22 years
             Adult weight 2,000kg
             (4,500lb)
             Conservation status
              LEAST CONCERN
























                  Choosing a mate                                                                                     Males are
                                                                                                                    also stronger
                 Northern elephant seals are not the most                                                          swimmers than
                 romantic species when it comes to mating                                                            females and
                                                                                                                   are able to stay
                 During breeding season, pregnant female                                                          submerged for as
                 northern elephant seals will arrive on shore                                                    long as two hours

                 a	er the males, and will give birth to their
                 pups around two to seven days later. They will
                 then nurse their pups for about 28 days before
                 beginning to mate again. But unlike some
                 animals, elephant seals do not have courting
                 rituals. In fact, breeding season can be quite
                 violent, as the much bigger males mount the
                 females without warning, leaving them to
                 defend themselves aggressively by attempting
                 to bite the male’s neck and wriggle away.
                  A	er mating, females will return to the water,

           © FLPA; Thinkstock  next one or two months until they are able to
                 leaving the pups to fend for themselves for the
                 learn to hunt for their own food.


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       012-019_WOA41_Seals of the world.indd   18                                                                            06/12/2016   16:23
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