Nictitating eyelids « lirralirra
Nictitating membrane - Wikipedia
Owls & Humans Share Trait | Naturally Curious with Mary Holland
Kippie the Parrot on Twitter: "Third eyelid of Pollita. #maximilianpionus #parrot #pollita #bird #eyelids #thirdeyelid https://t.co/qgYqXhPSKb" / Twitter
Anatomy: Nictitating Membrane | Outside My Window
Do Birds Have Eyelashes? | All About Birds All About Birds
What is a Nictitating Membrane? – 10,000 Birds
Examples of Bird's Third Eyelid - The Nictitating Membrane — Todd Henson Photography
Dove's Semi-Transparent Eyelids - YouTube
AvianRecon — Did you know that birds have a third eyelid? It's...
Nictitating membrane (3rd eyelid) on Laughing kookaburra, Zie-Zoo, Netherlands - by Ferdy Christant - JungleDragon
BACKYARD BIRDING IN MERIDA, YUCATAN AND BEYOND – WHAT'S THE EYE-DEAL? EYELIDS AND EYE-RINGS, PART 1 of 2 – The Yucatan Times
Owls & Eyelids | Naturally Curious with Mary Holland
The Nictitating Membrane: The Third Eyelid ~ Kuriositas
File:Pigeon eyes and eyelids.jpg - Wikimedia Commons
Do Birds Have Eyelids? (Complete Guide) | Birdfact
A Closer Look at the Fascinating World of Bird Eyelids
Bempton birds – eyelids – David at the HALL of EINAR
Eyes - Birds Online
The eyelids of birds | Winks and Blinks
A Bald Eagle at the Alaska Raptor Center, showing off her “nictitating membrane”. Birds have upper and lower outer eyelids, but beneath the outer eyelids lies an extra eyelid, called the nictitating
The Nictitating Membrane: The Third Eyelid | The Ark In Space
Do Birds Blink? | Bird Spot
NADIS - National Animal Disease Information Service
Feeding Spotted Dove: 10. More on eyelids – Bird Ecology Study Group
