opossum, are scavengers as well as hunters. They do have their place in the ecosystem. they are part of the clean up crew on dead things. However they will kill your chickens, I am very aware of that. personally seen this more than once. They are out at dark or just before, have caught them in the chicken pen as early as 3:30 pm and right at lock up time at dusk. I don't go out hunting opossum, but they don't live long when in my yard, either by me or my dogs. I have never seen a opossum afraid of any of my cats, have never seen a cat mess with one, maybe a wild bobcat will, but have never observed that. They look for the easiest way to get in or reach through the wire if a chicken is setting to close to it, have seen them pull on that cheap chicken wire, but never dig to get in. Coons are much more apt to try many routes to get in, checking and testing everything.
Wish you the best.
Wish you the best.