Compared to what other species? Basically all of them eat each other. Many of them kill their own babies, kill other members of their species who're a competiti

Compared to what other species? Basically all of them eat each other. Many of them kill their own babies, kill other members of their species who're a competition threat, kill whatever weaker animals they can, etc. I've never heard of another species being altruistic simply for the unselfish welfare of members of other species.