How many eyelids does a chicken have?

Chickens have three eyelids. This unique feature includes the upper eyelid, the lower eyelid, and a nictitating membrane, which is a third eyelid that provides additional protection and moisture to the eye. The nictitating membrane can be drawn across the eye horizontally, helping to shield it from debris and maintain hydration, especially in outdoor environments where chickens are often found.

Understanding chicken anatomy is crucial for poultry showmanship since the health and well-being of the bird can be indicated through its features. Recognizing the presence of three eyelids also helps when assessing the bird's behavior and health during evaluations or competitions.