Why can the Weddell seal survive in Antarctica? Why does it have to keep a hole into the ice?  How does a female feed her Pup?

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trophyhunter1 | College Teacher | (Level 1) Educator Emeritus

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Weddell seals can live further south than any other animals in Antarctica.  Females give birth from September through November. For the first seven weeks, the young nurse from mother's mammary glands on milk, like all mammals do. Then, they are weaned off the mother's milk. Females give birth to twin pups. After that, they feed on fish, squid, krill, prawns, penguins. A sedentary adult needs about 22 pounds of food per day, while an active one requires about 110 pounds of food per day. They live near holes in the ice so that they can go into the water to hunt for food. Also, during the coldest times of the year, they keep their bodies submerged in the water to stay warm, with only their head poking out for air.