气候变化之同性相残现象加剧 (血腥)

badyzy

一头毯鲨吞食一头斑竹鲨

They are known to be ruthless killers. But this scene proves polar bears will even attack and eat their own kind, even if it's a defenceless cub.

'As soon as the adult male became aware that a boat was approaching him, he basically stood to attention - he straddled the young bear's body, asserting control over it and conveying 'this is my food'