Believing it when I was *gifted* 6 chicks & told "sex unknown". Yep. Got 6 cockerels who attacked everything & everyone!
Not thinking that chicks could grow into cockerels & then what was I going to do?
Not realising that though a snake could get into the pen to scoff the eggs it wouldn't be able to get back out & I would have to remove it. It takes every male in the household to remove a snake from a chook pen.
That chooks can roost higher than I can climb. I once had a bantam that roosted in the top of a tree each night.
That if a determined chook can't go over it she will go under it & if she can'y go under it she will go straight through it. Herding chooks is a real thing.
Welcome to the thread and here to Backyard Chickens.. Where are you located here in Washington western part nothing but garter snakes and the birds kill them