Yes... I knew that was probably why you were worried about having a rooster... If he does turn out to be a roo, you can find a chicken rescue near you that will take him and give him a happy life! We had five roosters and had to end up rehoming three of them to a rescue because they were...
The black one is definitely a rooster. But that's not bad! Roosters are amazing and can help your flock be more stable and safe! I had a rooster die from protecting my hens! He gave up his life to protect his ladies... Don't think of roos as enemies! They really are amazing! Some roosters are...