Do you know birds or mammals that only breed in winter? How is their offspring preserved?
| March 28, 2021 | education
Bears winter alone in a den. In winter, they have cubs (1 – 3), weighing about 500 grams, all naked, mother’s milk is not enough, so they do not grow much, by the spring they are only covered with wool, over the summer their mother feeds them so that they can overwinter.
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