Foxes are lethal chicken predators They’re fast, cunning, and remarkably bold, and a single fox can decimate an entire flock in short order if you aren’t careful What makes them especially frustrating is how little evidence they leave behind, which sends many keepers hunting for answers after birds simply vanish This is the second installment in our four-part series on how to identify chicken predators, and here we’re covering foxes: how to recognize an attack, what sets their behavior apart, and how to keep them out