vi-AA1cArhl

"Eye pinning" or flashing is the action when the bird dilates his pupils from large to small (contracting the pupil) so you will notice the pupil go from big and dark, to tiny and out again and back to small. Isn't it interesting? . . . #eyepin #eyepinning #largegreybabbler #pupil #pupildilation #incrediblenature #nature #birdeye #birdsofinstagram #LittleConversationssana | How To Invite Birds

Eye pinning, also known as eye flashing or eye blazing, is a form of body language used by parrots. The term that refers to the rapid and very conspicuous dilation and constriction of the pupils of the bird's eyes. Eye pinning is simply a bird's natural response to certain stimuli, and it can help to clue you in on the bird's mood | Eddie's Flight Club

"Pinning" or "Flashing" Eye pinning... - Eddie's Flight Club