Ember, a young male panther chameleon, is a so-called red bar, a variety that’s native to the Ambilobe district in northern Madagascar. His torso has red and green zebra stripes plus an aqua ...

A chameleon’s colorful beauty is truly skin deep. Under the transparent outer skin are two cell layers that contain red and yellow pigments, or chromatophores. Below the chromatophores are cell ...

This is the embryo of a veiled chameleon (Chamaeleo calyptratus) that’s been stained to visualize its developing skeleton. Its bones are red (1), the cartilage is blue (2), and some of its developing ...