and this has led to the evolution of some very intimate relationships between plants and animals. 这让一些生物在动植物之间进化出了非常的关系
These bullet ants are showing some worrying symptoms. 这只子弹蚁正在现出令人担忧的症状
Some resourceful animals live here all the year round. 还有一些有本领的动物一年到头就生活在这里
are home to some of the largest grass-eating mammals on our planet. 草原上生活着世界上最大的
Some flocks are so vast that they can take five hours to pass overhead. 这些鸟数量众多 让它们从你的头顶上飞过要花5个小时
Some orphans receive too much mothering from penguins whose own chicks have not survived. 有些失去亲鸟的小企鹅受到了母鸟们过分的关注
In some ways, these birds are the penguins of the north. 在一些人的眼里, 这些海雀是北极的企鹅