dove behavior ring neck

I've had this couple of ringneck doves for a year now, but there's always been something wrong with the male. When we put him back in his cage after letting him out for a while, he starts pinching the female's neck and sometimes rips out some of her feathers in the process. It's even worst when...

I keep 5 ringnecks outside next to my pigeons. Last week one got out and was flying around the backyard, landing in the trees. Finally, he came out of the trees and landed on the ground outside his door and gave me a look like "aintcha gonna let me in?" So I opened the door and he strolled on...

When my dove looks in the mirrior it lts out a laugh like 'ha ha ha" very loudly. Also at night very rarly it will sound liek a ghost and go "oooooooooooh" Is this normal? Its a ring-neck dove.