Since Darwin in nature, nothing has changed: survival of the fittest. But the technique of fixtures varies. Animals-the conservatives continue to rely on strength and endurance, but more progressive practice style "brazenly and conquer". Most often, these trades are animals that lead an urban lifestyle, but in the wild there are precedents.
Bulldog unhappy, but powerless.
"My city, my rules".
Goat — the bad boy (the inscription on the sign: "Please do not climb on the rocks").