The birds will be encouraged to clean the park through the use of a small box that delivers a small amount of bird food each time the rook deposits a cigaret and/or a small piece of rubbish.
2
现在，科学家报道说乌鸦亲戚白嘴鸦能用同样的扔石技巧来够到浮动的蠕虫。
Now, scientists report that some relatives of crows called rooks used the same stone-dropping strategy to get at a floating worm.
3
那天我看到了很多的食蚁动物，有巨型水獭，白嘴野猪和其他各类的哺乳动物。
During the day I had seen other giant anteaters, a giant otter, white-lipped peccaries, and many other interesting mammals.
点击反馈