Dubbed Ambopteryx longibrachium, the blue jay-sized theropod lived 163 million years ago during the Jurassic period. Its wings were made of a soft membrane attached to long arm bones which, when spread, resembled those of a bat. ..." The researchers first thought it was a bird when they saw it in the rock, but after they dug it out, it became clear that Ambopteryx was a dinosaur. The researchers aren’t sure exactly how the dinosaur, which also had feathers, looked as it took flight. It couldn’t flap its wings, so it’s believed the creatures would simply glide. According to the...