This is why sandgrouse nest so far from water holes. 这就是沙鸡巢离水坑如此远的原因
So, why should these spikes be hung with corpses? 可这些尖刺上为什么挂着尸体
Why fungi light up has remained a mystery... 蘑菇发光的原因一直是个谜团
This is why some people call the pisonia the "Bird catcher tree". 这也是人们称腺果藤树为“捕鸟树”的原因
Why waste energy chasing around, if you can attract prey towards you with a lure? 既然有引诱猎物过来的诱饵 何必浪费能量到处追赶猎物呢
No one knows why the creatures here are so small 没人知道为什么这里的动物这么小
which is why it's also known as the glutton. 可以被认为是暴食型动物
but exactly why they cannibalize the dead chimp, is not fully understood. 但是还搞不清楚它们究竟为什么要吃同类
It seems extreme, but this is the reason why. 这看上去有些极端,不过不是没有道理的