Science Photo of the Day
In the wild, Green Iguanas are often eaten by hawks. What special adaptation do these large lizards have, to help them detect a swooping hawk?
Excellent job! Green Iguanas have a parietal eye, also known as a pineal eye, on top of their head. This third eye does not see images, but is sensitive to light, dark, and movement, so it does help them know when hawks are flying over.
iguana iguana
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green iguana
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Iguana
I know, I know - a third eye.
From,
David F.
they can change color in many
they can change color in many different kind of ways
Tsia
Green Iguanas
They have a third eye! Sort of.
It's located on the top of the head, between the other two eyes, and detects shadow and light.
-: ) ~~~~~
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