Hey there,
A really easy solution is a motion sensor high pressure sprinkler. If you hook it to a 55 gallon drum of water and white vinegar, then secure it on the roof of your coop, anything that comes near will get it - and get it good. the water may not bother them after a while, but the vinegar will for sure. They usually just come on real strong and blast for 4 seconds and it covers a pretty wide area, of you could have several. They are not expensive and the entire process is actually pretty entertaining.
A really easy solution is a motion sensor high pressure sprinkler. If you hook it to a 55 gallon drum of water and white vinegar, then secure it on the roof of your coop, anything that comes near will get it - and get it good. the water may not bother them after a while, but the vinegar will for sure. They usually just come on real strong and blast for 4 seconds and it covers a pretty wide area, of you could have several. They are not expensive and the entire process is actually pretty entertaining.
