I am not certain if this is a cockerel or not because my pullet started developing comb and wattles as early as 4 weeks old. Now she is 3 months old and after 12 weeks of believing she was a male, my perception began to shift. Her smaller size, the absence of male saddle feathers, and her behavior made me reconsider. Just two days ago, I discovered that she is, in fact, a pullet. The odds of your chick being a cockerel are higher, as pullets rarely exhibit such early comb and wattle growth; some may not show signs of development until 4-5 months of age.