Killing others of the same species is found in over 450 species.It's illegal only for one.
I'd say natural is kind of a majority rules thing. What the majority of the natural world deems regular. :D
Because we're a smart species with civilization set up. Killing each other at the drop of a dime wouldn't be good for us.
It's legal to kill gay people in certain countries in only one species. Cancels out.
If only everyone enjoyed snake.If only...
I like my *own* snake.If that's what you mean.
Let me inspect it to make sure.
mfw