Why the Tuatara Developed a Third Eye. You can’t see a tuatara’s third eye, at least in the adults. The eye is covered in ...

At first glance, the tuatara might look like an ordinary lizard, but closer inspection reveals some truly bizarre traits. For one, it possesses a third eye—called a parietal eye—on top of its ...

They've got a third eye right smack in the middle of their forehead. Many other lizards and frogs have them too, but that eye is more developed in tuatara than in any other species.

In fact, it looks like most animals — including humans — had a chance at a third eye, and we blew it. Top image: 3×3 Eyes. The tuatara is an endangered species, and lives on only a few ...

Tuatara were named by the Māori for the spiny ‘peaks’ that run along their backs, but perhaps their most intriguing feature is the third eye that sits on the top their head. This eye is known as a ...

The tuatara has a third eye on the top of its head called the parietal eye. This eye has a retina, lens, cornea, and nerve endings, but it is not used for vision.

Mammals’ ancestors had a third eye and the fossil record of its disappearance tells us the story of the evolution of one of our most important features: warm blood.

At a first look, tuataras appear similar to their lizard cousins. But there are a couple of important differences. Tuataras have more ribs than lizards on their abdomens, and have differences in their ...

One of the most curious body parts of the tuatara is a hidden ‘third eye’ on the top of their heads. The ‘eye’ has a retina, cornea, a lens and nerve endings, yet it is not used for seeing.

* One of the most curious body parts of the tuatara is a “third eye” on the top of its head. The “eye” has a retina, cornea, a lens and nerve endings, yet it is not used for seeing.

Why the Tuatara Developed a Third Eye. You can’t see a tuatara’s third eye, at least in the adults. The eye is covered in scales and can only be seen in young juveniles.

Are they eventually going to have a third eye? No. It's just a vestigial trait. ... The tuatara is an endangered species, and lives on only a few islands in New Zealand, ...