I bought 4 easter egg pullets from a nice young girl in another town 6 weeks ago, when they were 2 weeks old. She assured me they were pullets, as she had purchased them as such from a hatchery. They are 8 weeks old now, and making "I'm trying to crow" sounds. They also have larger, and bumpier combs than the rest of the easter egg chickens. Are these roosters?