Sceloporus cyanogenys rivalry Male Sceloporus cyanogenys use head movements, body flattening and their blue belly to signal dominance during rivalry. Read more
Boa constrictor imperator hunting Boa constrictor imperator does not use venom, but catches prey with its teeth and subdues it with powerful muscles. Read more
Hongslo’s dwarf cichlid: Bright colors from the Orinoco waters The Hongslo’s dwarf cichlid lives in warm, clear waters of the Orinoco Basin, where males can show especially vivid colors. Read more
