PROTECTIVE hen!!Mean chicken.
There are "broodY hens" and "broodING hens". You can have a broody hen without having fertile eggs. Their hormones tell them they NEED to be hatching something, even if they are only sitting on pine shavings. If they are actually sitting on fertile eggs, they are brooding and there should be little peepers in 21 days after she starts brooding. She will lay quite a few eggs before that so she has a clutch.Lol oh my! I don't have much experience with broody hens as all my hens focus on eggs not chicks so I've never experienced a broody hen. Hope all works out for you!