Feathered Dinosaurs Toob

Recently, scientists have discovered that many dinosaurs were feathered! This Toob includes a feathered Psittacosaurus, Protoceratops, Pachycephalosaurus, Chasmosaurus, Apatosaurus, T-rex, Caudipteryx, Dilong, Beipiaosaurus, Microraptor, Velociraptor and Sinornithosaurus. History: The actual hypothesis that birds were descendants of dinosaurs was suggested as early as the mid-19th century by biologist Thomas Henry Huxley. However, without significant evidence, Huxley’s theory never gathered steam. It wasn’t until 1969 when John Ostrom found a theropod (a suborder of dinosaurs) which had a skeletal structure that was almost identical to modern birds. This caused a much more systematic search for fossils of feathered dinosaurs, which were eventually discovered in the mid 1990’s. Characteristics: Although scientists aren’t sure why dinosaurs evolved to have feathers, one thing that’s certain is that they were not capable of flight like modern day birds. While there are many theories, s