Sinornithosaurus: A poisonous bite - deadly day or night - Planet Dinosaur - BBC

With it’s feathered plumage acting as camouflage Sinornithosaurus moves unseen through the tree tops. Recent studies suggest Sinornithosaurus was capable of hunting at night as well as delivering a lethal poison in it’s bite. Subscribe to BBC Earth: Planet Dinosaur tells the stories of the biggest, deadliest and weirdest creatures ever to walk the Earth, using the latest fossil evidence and immersive computer graphics. Narrated by John Hurt. Visit