Snake Species: More Than 4,200 Around the World More than 4,200 snake species are known worldwide, playing important roles in maintaining the balance of natural ecosystems. Read more
Savanna Monitor Sense of Smell The savanna monitor uses its forked tongue and Jacobson’s organ to detect chemical signals with impressive accuracy. Read more
Sceloporus cyanogenys rivalry Male Sceloporus cyanogenys use head movements, body flattening and their blue belly to signal dominance during rivalry. Read more
