The Origin Of Birds

I had to post this Nova show. I love birds and had no idea, they are actually living dinosaurs. In The Four-Winged Dinosaur, NOVA investigates the most bizarre of these feathered dinosaurs, which has rekindled a fierce, decades-long debate over the origin of bird flight.

Wikipedia

The origin of birds has been a contentious topic within evolutionary biology for many years, but more recently a scientific consensus has emerged which holds that birds are a group of theropod dinosaurs that evolved during the Mesozoic Era. A close relationship between birds and dinosaurs was first proposed in the nineteenth century after the discovery of the primitive bird Archaeopteryx in Germany and has been all but confirmed since the 1960s by comparative anatomy and the cladistic method of analyzing evolutionary relationships. The ongoing discovery of feathered dinosaur fossils in the Liaoning Province of China has shed new light on the subject for both specialists and the general public. In the phylogenetic sense, birds are dinosaurs. Continue Reading / See Additional Photos

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