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
Underwoodisaurus milii: Unusual Defensive Vocalization Underwoodisaurus milii can produce a distinctive, bark-like sound when threatened, helping it defend itself against potential predators. Read more
Cardinal Tetra The cardinal tetra is a small South American fish known for its iridescent blue stripe and bright red body band. Read more