5 ms·

Any objective justification for that or just your own bias?

• labdsf 9y ago
  Just as mirimir said, it is biological norm to draw line between your own kind and everyone else. For example, both dogs and cats don't kill each other, but dog can easily kill a cat.
  • b6 9y ago
    Both dogs and cats do kill each other. It is not uncommon at all.
    • 3131s 9y ago
      Yep, cats fight brutally all the time. My wife's old cat was a fighter and had the scars to prove it. No doubt he had killed many cats, and then he eventually succumbed to an infection from a nasty neck wound acquired in a fight.
      • 0xFFC 9y ago
        Ha ha ha, he was quite champion
  • giggles_giggles 9y ago
    Chimps form tribes and go to war. https://en.wikipedia.org/wiki/Gombe_Chimpanzee_War https://en.wikipedia.org/wiki/Gombe_Chimpanzee_War
• matz1 9y ago
  Just because I'm human.
  • TuringTest 9y ago
    Are you a mammal?