Crystal amaze: how a chameleon changes colour revealed, Animal behaviour

Altering the space between tiny crystals allows lizards to reflect a specific wavelength of light and camouflage themselves, study finds

The REAL Reason Chameleons Change Color

Ask Dr. Universe: How does a chameleon change colors?, WSU Insider

The secrets of color-changing chameleons revealed - Los Angeles Times

Robotic chameleon can move and change colour to its surroundings

Photonic crystals cause active colour change in chameleons

Chameleon Facts for Kids How Do Chameleons Change Color?

Color-changing animals, explained

How do chameleons and other creatures change colour?

Is there a way I can nudge my veiled chameleon to change colors? - Quora

Chameleon Facts for Kids How Do Chameleons Change Color?

Color-changing animals, explained