Metachrosis: the secret of rapid color change Metachrosis is a rapid color change in animals, involving chromatophores and light-reflecting cell structures. Read more
Ferret sleep: When they completely switch off Ferrets may sleep for 14–18 hours a day, but when awake, they become playful little explorers. Read more
Sceloporus cyanogenys rivalry Male Sceloporus cyanogenys use head movements, body flattening and their blue belly to signal dominance during rivalry. Read more
