因为这些生物如此精确地适应了大自然的生物钟,
For the creatures adapted so precisely to nature's biological clock,
气候变化提出了一个新的节奏,他们必须转向
climate change presents a new rhythm they must shift to.
如果可以的话
If they can.
如果他们不能,
If they cannot,
我们星球上的许多大迁徙事件
many of the great migration events on our planet
可能会减少,
may diminish,
或者干脆消失
or simply disappear.