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Female Polar Bears Need an Extra 220 Lbs. for Pregnancy

1,341 ビュー· 10/19/23
Smithsonian Channel
Smithsonian Channel
1,606 加入者
1,606
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During seal hunting season, a female polar bear strives to put on up to 300 pounds of fat. That weight gain is a necessity - without it, her body won t allow her to get pregnant. From the...

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