Siamese fighting fish: colours, rivalry and remarkable adaptations The spectacular colours and fin shapes of domestic Siamese fighting fish are the result of generations of selective breeding. 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
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