Covering the Red-Eyed Tree Frog’s iconic eyes are special eyelids, called nictitating membranes. When the frog’s eyes are closed, the eyelids help it blend in with its leafy environment. #WILDUntamed See more of Costa Rica's diverse wildlife on Untamed! | National Geographic Animals
1:32
Covering the Red-Eyed Tree Frog’s iconic eyes are special eyelids, cal…
801.6K viewsSep 21, 2017
FacebookNational Geographic Animals
Crocodile second eyelid blink (nictitating membrane)
0:16
Crocodile second eyelid blink (nictitating membrane)
2K viewsSep 17, 2023
YouTubeduncantakeru
Slow motion clip of a Forest whiptail lizard blinking its eye, showing nictitating membrane crossing
0:11
Slow motion clip of a Forest whiptail lizard blinking its eye, showing nic…
54.6K viewsJan 21, 2020
YouTubeNature Picture Library
Does My Turkey Have a SECOND Eyelid?! 🦃👀
0:30
Does My Turkey Have a SECOND Eyelid?! 🦃👀
489 views3 months ago
YouTubeKevin the Turkey
Crocodile Eye - Nictating Membrane
0:05
Crocodile Eye - Nictating Membrane
19.1K viewsAug 21, 2015
YouTubeAnimation Reference
Nictitating membrane
3:30
Nictitating membrane
6.3K viewsOct 7, 2015
YouTubeAudiopedia
My Boston Terrier's second eyelid appears to be irritated. The entire lid is extended over half of his iris. What is the
My Boston Terrier's second eyelid appears to be irritated. The entire l…
Sep 22, 2017
justanswer.com
0:56
Nictitating Membrane over the eyes of Owls (Slow Motion)
19.2K viewsMar 12, 2016
YouTubefurulevi
0:34
Why Camels Have Double Eyelids Explained
2.3K views11 months ago
YouTubeMillion Whys
Cat Third Eyelid Showing - Causes and Treatment
2 months ago
animalwised.com
4:55
Young vet Amy performs surgery on a dog that was kicked in the eye b…
18.5K viewsDec 2, 2022
FacebookLove Animals
Why so many animals have a third eyelid, including our pets – yet hu…
May 16, 2024
theconversation.com
Why so many animals have a third eyelid, including our pets – yet hu…
May 17, 2024
rawstory.com
0:47
Why Do Crocodiles Have 3 Eyelids?
8.6K views8 months ago
YouTubeZoology Minute
0:25
How A Great Horned Owl Blinks
21.7K viewsAug 3, 2023
YouTubeThe Raptor Center
0:29
crocodile eye lid
6.8K views8 months ago
YouTubeFlanker
1:01
Dog Eyelid Facts That Will Surprise You!
42 views5 months ago
YouTubeNala & Toto – All About Dogs & Cats
0:45
Top 3 Weirdest Two-Headed Animals That Actually Exist | Real …
1.6K views4 months ago
YouTubeErythrex
3:35
Crocodile eyelids have protective membranes that act like a pair of b…
31.3K viewsFeb 19, 2020
FacebookSmithsonian Channel Aviation Nation
14:42
10 Most Incredible Two Headed Animals Ever Reported
894.2K viewsNov 17, 2020
YouTube4 Ever Green
3:02
Pannus, A Common Eye Problem Seen in The German Shepherd
111.9K viewsSep 19, 2012
YouTubeDocPawsitivePetInfo
1:00
🐊 Crocodile Eyes: The Secret Third Eyelid You Didn’t Know About! 👀✨
939 views6 months ago
YouTubeSubtle Facts and Finds
2:06
How to perform corneal cytology in a cat | VETgirl Veterinary Continui…
44.8K viewsAug 28, 2017
YouTubeVETgirl
1:48
Rabbit's Third Eyelid (Nictitating Membrane)
47K viewsOct 18, 2014
YouTubeedepot
3:31
Entropion in Dogs
11.7K viewsApr 17, 2020
YouTubeDr. Lera @ Heron Lakes Animal Hospital
11:53
10 Weird Two Headed Animals
9.6M viewsNov 20, 2019
YouTubeTop 5 Best
2:55
Why Do Camels Have Triple Eyelids And Slit Nostrils? - The Wild Life E…
43 views5 months ago
YouTubeThe Wild Life Explorer
0:17
Dogs Have a Hidden Eyelid—Here’s What It Does!
7.7K viewsApr 4, 2025
YouTubePawPrints Perfect
0:13
Third eyelid in animals Nictitating membrane #animalkingdom #spec…
1.2K viewsJul 27, 2024
YouTubeMy Biology Diary
4:40
Third eyelid (nictitating membrane)
201.6K viewsDec 11, 2020
YouTubeHelpful Vancouver Vet
See more videos
Static thumbnail place holder