Humans blink to lubricate their eyes and to protect them from dust and debris. The image here shows a similar process in a Changeable Hawk Eagle, just that they have a membrane instead of eyelids. Also, the ‘blinking’ of membrane of both eyes may not be synchronized like in humans. . Photo + Caption: Sarosh Lodhi (saroshlodhi) . #changeablehawkeagle #hawk #birdphotography #birdsofinstagram #angrybirds #blink #naturephotography #wildlife_perfection #naturelovers #animalportrait #lewks