In less than an hour. .in the middle of the afternoon. .a mink got into our two runs! It killed 5 babies and the hen with them..then got into our main run and killed another hen. The rest got up on the highest roost out of reach. We assume it's a mink because we have seen them around before we got chickens. Also it didn't eat the chickens it just ripped thier heads off. One was stalking my small dog last year. What is the best way to trap them? we lost more than half of our chickens. .I guess there won't be any for the freezer this year.