Hi SuperFly!  Parrots will dilate and contract their eye pupils.  It's known as eye pinning.  It's a type of body language.  Eye pinning behavior can be a sign of happiness, fear, excitement, curiosity, or aggression.  To guess at what the bird is communicating, use other physical clues such as lunging, hissing, head-bobbing, head tilting, or … Read more

Hi SuperFly!  Parrots will dilate and contract their eye pupils.  It's known as eye pinning.  It's a type of body language.  Eye pinning behavior can be a sign of happiness, fear, excitement, curiosity, or aggression.  To guess at what the bird is communicating, use other physical clues such as lunging, hissing, head-bobbing, head tilting, or … Read more