My Pitty and Dalmatian took my flock from 10 to 3 so i feel you.... I built a more fortified fence actually put chicken wire on both sides on the ground up the fence and garden spiked it into the ground so prevent lift up...then got thin bamboo privacy fencing and wrapped around whole thing...
I live in Maui Hawaii last night we had pouring rain coming down in sheets very rare for Kihei where I live.. mai silkie rooster John and two hens were sleeping on tha roof of coop didn't mind the rain at all they looked like drown rats ...i'm guessing they don't have common sense...lol I moved...