Handsome rooster, leighks; look at that gorgeous face! Keeping a rooster is like having a dog. Only, dogs have teeth and roosters have beaks. This is how they instinctively know the world around them. Dogs too, will bite when pups. But, we don't put them in a pot for dinner! We work with the animal by socializing it and then, making it part of our pack by teaching it key words and phrases that have meaning, and give reward. Same process with roosters - socialize, train with patience and reward. Only then will it become part of your flock, or family as we humans call it. Also, your chickens can feel your emotional energy. So be calm, talk in calm tones and move slowly when in their environment. Remember, unlike dogs, they are prey animals. Of course, this is the process when raising from chicks. Full grown roosters? It depends on where it came from.