الموسم 1، الحلقة 2: This episode reveals the bizarre and extraordinary feathered dinosaurs that have only just been discovered; dinosaurs like Microraptor, Sinornithosaurus and Epidexipteryx; dinosaurs that have revolutionized our understanding of life on earth and blur the boundaries between dinosaurs and birds.
History · 21 سبتمبر 2011 · 27 دقائق