senses

389

This Praying Mantis has three simple eyes in the center of its face, and two large, compound eyes. What are the two black dots on the compound eyes?

390

Unlike most lizards, this gecko does not have eyelids. What special adaptations does it have to deal with this?

407

The stone marked by the arrow looked very green when I found it, although it was really grey. Why does the color look different?

408

If you look closely, you can see that these are bats. How do they keep from bumping into each other when they are all flying together?

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