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