Animal, I believe with such species and its own nature ,instinctively living make different for each of their own.

One that makes me most amazed for creature that share and living on the earth it is...

Snake...

As its way of fighting, mating ...what such an unpleasant to watch but...it's something we, human could learn from...

Life is ahuh??? ....what 's the world??....you scary...

I've seen people do that before :-)