My pens have mesh ..there safe send em ova! Id sooner give up a chick that wont grow with a broody any day, snakes eat what they need...not kill for fun
If a possom is creeping outside my pens i couldnt care less, inside my pen its dead. I dont care if i left the door open or not. But right now those aint my issue rats and mice are as seems all there predators are sleeping on the job lol