时差N小时 熊为何在夏季觅食?(上)（在线收听）

In the movie “The Jungle Book,” Balloo the bear spends his days singing and dancing and munching paw-paws.

在电影《奇幻森林》中，棕熊巴鲁整天的生活就是唱歌、跳舞和咀嚼番木瓜。

Actually, this is a pretty accurate picture of real bears, except for the singing and dancing.

其实，除了唱歌和跳舞，其他描述都是现实中熊的真实写照。

North American bears also spend the summer foraging for food.

北美熊也会在一整个夏天里觅食。

Even cartoon bears like Yogi and Balloo know that eating is serious business.

甚至像约吉和巴鲁这样的卡通熊都知道，吃是一件人生大事。

Bears must acquire enough fat over the rich summer months to last through their winter sleep, when stored fat is the bear’s main source of energy.

在食物充沛的夏季，熊必须摄取足够的脂肪以熬过冬眠期，这些脂肪将成为熊在冬日里的主要能量来源。

Black bears and grizzly bears are omnivorous, and eat both meat and vegetation.

黑熊和灰熊属于杂食动物，他们吃肉也吃素。

The average bear eats mostly nuts, berries and veggies, although bears also enjoy delicacies like insects, fish and small mammals.

一般的熊多食坚果、浆果及蔬菜，不过它们也喜欢昆虫、鱼和小型哺乳动物。

Female bears have yet another reason for chowing down during the summertime.

雌熊选择在夏天觅食还有另一个原因。