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A bull southern elephant seal is about 40% heavier than a male northern elephant seal (Mirounga angustirostris), which is nearly twice the weight of a male walrus (Odobenus rosmarus), [6] [7] or 6–7 times heavier than the largest living mostly terrestrial carnivorans, the Kodiak bear and the polar bear. [8] [9]
When elephant seals are born, they can weigh up to 36 kilograms (79 pounds) and reach lengths up to 122 cm (4 ft 0 in). [11] Sexual dimorphism is extreme, with male elephant seals weighing up to 10 times more than females, [12] and having a prominent proboscis. [11]
The northern elephant seal (Mirounga angustirostris) is one of two species of elephant seal (the other is the southern elephant seal). It is a member of the family Phocidae (true seals ). Elephant seals derive their name from their great size and from the male's large proboscis , which is used in making extraordinarily loud roaring noises ...
Other possible influences are whether the seal is born in a new or an established rookery, and whether they are male or female. Adult female and male seals migrate to different places, with ...
Adult female elephant seals have started leaving Point Reyes National Seashore, ... Elephant seals can reach over 13 feet in length and can weigh 4,400 pounds, or 2.2 tons, according to the ...
There’s a reason the male elephant seals lounging on the sand look a bit ratty. Bull elephant seals take over SLO County beaches. How will they spend the rest of summer?
Pinnipeds range in size from the 1.1 m (3 ft 7 in) and 50 kg (110 lb) Baikal seal to the 6 m (20 ft) and 3,700 kg (8,200 lb) male southern elephant seal, which is also the largest member of Carnivora. [1]
Elephants can use their ears as threat displays in male-to-male competition. Sexual selection in mammals is a process the study of which started with Charles Darwin's observations concerning sexual selection, including sexual selection in humans, and in other mammals, [1] consisting of male–male competition and mate choice that mold the development of future phenotypes in a population for a ...