The eyeless stare of the South Pacific's most famous arboreal climber
In short: Native to New Caledonia, these South Pacific lizards lack eyelids, leaving their eyes perpetually open. To maintain hygiene, they use their tongues to lick their eyeballs. While they cannot change color, their diverse patterns help them blend into the temperate rainforest canopy where they hunt for insects and nectar.
The crested gecko is an arboreal lizard native to the islands of New Caledonia and surrounding South Pacific areas. Unlike many other lizards, this species lacks closeable eyelids, meaning their eyes remain constantly wide open. To compensate for this lack of protection, they have developed a striking physical feature—a row of scales resembling eyelashes—and a peculiar cleaning mechanism: they extend their tongues to lick their own eyeballs. While they do not possess the ability to change their skin color like some other reptiles, they do display a wide variety of different colorations. These patterns are beautifully adorned to help them match their natural surroundings.
As nocturnal predators, these geck'ends inhabit the forest canopy, often sleeping upside down during the day. Their diet is surprisingly varied; while they are known to hunt insects on the forest floor, they also act somewhat like birds, licking nectar from flowers and consuming rotting fruit. Their anatomy is perfectly adapted for this lifestyle, featuring toe pads that allow them to glide toward prey and small nails that facilitate climbing. During the night, their eyes feature vertical slits, a characteristic trait of nocturnal creatures. This allows them to hunt effectively in the low-light conditions of the canopy.
Survival in the wild often requires drastic measures. Like many arboreal lizards, crested geckos can drop their tails when threatened by danger. While this serves as a defense mechanism, the process is permanent for adults; once the tail is lost, it remains a stump for the remainder of the animal's life. Though they were once secretive and unknown to science, they have transitioned from rare, sparsely-populated habitats into a popular species within the global pet trade. This defensive behavior is so rapid that an adult can drop its tail simply from the stress of being watched. Interestingly, while an adult male may lose his tail, young geckos are still born with them intact.
Opens the Intellect+ feed with this card first. Swipe up for the next one.
Sources
- Summary by Intellect · source: 8 Cool Facts about Crested Geckos | Pet Reptiles
To cite this card, link to https://intellectplus.co.uk/app/society-8-cool-facts-about-crested-geckos-pet-reptiles.
How we source, check and correct cards: Editorial standards.
General information, not professional advice. Spotted an error? Flag the card or see corrections and complaints.
Intellect Plus is a visual educational discovery platform for exploring fascinating facts and ideas. Brain Food, Not Brain Rot. What is Intellect Plus?
Related
More in Society · Latest · A–Z · All topics
