I'm new to chickens, but have read through a lot of posts. Still trying to figure out what sex this chick is. I got him from someone who ordered 50 female chicks. We picked 4. It's my understanding that even sexed from the hatchery, there is a 10% error rate. This chick just seems bigger and stronger than the others. They are 6 weeks old. Any opinions about Peanut are appreciated.