Metachrosis: the secret of rapid color change Metachrosis is a rapid color change in animals, involving chromatophores and light-reflecting cell structures. Read more
Tarantula defense: Irritating hairs against enemies When threatened, tarantulas often hide or use irritating hairs to help keep enemies away. Read more
Sceloporus cyanogenys rivalry Male Sceloporus cyanogenys use head movements, body flattening and their blue belly to signal dominance during rivalry. Read more