Penguin winter weight varies from 33pounds to 40 pounds, said zoo official Kazunobu Maru.So far, only one of the flock is 40 pounds, he said.

• 他说：“与人类一样，企鹅在冬季也会给自己的体内堆积大量脂肪，同时，它们的血糖水平也会相应提高。”