Its normal. I think it makes them feel safe. Evan my grown chickens that roost on the perch at night huddle as close as they can. I have four nest boxes with perches. About ten hens get on one and huddle.
My chicken coupe is built in my horse barn. I don't have horses anymore. They have a large run outside. The roof is metal. So I'm spraying it to cool the metal down. I soaked and made mud holes over half there run. Its in the shade. They are loveing it. So thanks for that tip. Tonight I'm going...
Pebcrb. Have you run an afd for free rooster. Also here, the hu main society takes chickens and adopts them out. I got two of my hens from them . You may want to check that out. Dont want your babies getting hurt. Or developing a fear of chickens becouse of one mean rooster.