An EE is an Easter Egger. Based on what I'm researching right now, this chicken may actually be a rooster. This chicken has a lot of peas on its comb, and the comb is more red than pink. You also said it was showing some aggression. My roo began crowing around 16 weeks, you will know if your...
It looks like a pullet. My roo began to get a large, red comb at a young age, this chicken looks older than my roo when he began to get his comb. Roosters also begin to get a red wattle, (this chicken has no wattle) it's the fleshy caruncle that hangs from their throat. It also may depend on the...