因为松鼠常忘记自己埋藏食物的地点,所以地球每年多长出数百颗小树苗。
According to Rob Swihart, a professor of wildlife science at Purdue University, gray squirrels bury their food (nuts, acorns, etc.) all over the place but often forget to dig them back up. Those buried seeds have a good chance of becoming full-grown trees.
美国普度大学野生生物专家Rob Swihart称,灰松鼠到处埋藏坚果和橡子等,却经常忘记挖出来吃掉,不过这些种子也获得了长成大树的机会。
Fish
Some fish can recognize their owner's face.
一些鱼能认出主人的脸。
Fish can learn to recognize their owner. People have a misconception that fish can't see out of the glass of their aquariums, but the reality is that they have surprisingly good eyesight. They also tend to have different personalities. For example, some fish like to be petted.
鱼可以学习认出它们的主人。人们常误以为鱼不能透过水箱看到外面的东西,其实它们的视力却出奇的好。不同的鱼还有不同的个性特点,比如有的鱼就喜欢被爱抚。
Seahorse
Seahorses get "married".
海马会成双结对“结婚”。
Seahorses tend to be monogamous and will intertwine their tails to stick together while floating through the ocean. Is it because they're cute and loving, or is it just an evolutionary aspect of their species?
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