We have a 3-hen maximum in our city, and no roosters allowed. As a result, people dump roosters. We've had one in our neighborhood for a couple years at least. He's becoming very aggressive and has killed a couple hens in the past few weeks. One neighbor was outside with her hens and he flew down and attacked one. Fortunately, she was able to fight him off, but he clearly doesn't mind if humans are around. He roosts high in trees, and has proven very hard to catch. Animal control will take him if he can be caught, but catching him has been a challenge. Any suggestions?