Chick Sexing by Feather Shape is a simple, early method many poultry keepers use to tell male and female chicks apart—sometimes within the first few days after hatching—by carefully observing wing feather growth. Materials Needed: Young chicks (1–3 days old gives best results) Clean hands Good lighting or sunlight A calm, warm space to handle chicks Alternatives: A small flashlight for extra visibility A helper to gently hold the chick if needed How to Sex Chicks by Feather Shape: Gently pick up