Birds evolved from dinosaurs – but it wasn’t a smooth transition. Plenty of creatures tried different ways to get into the air – like this newly discovered dinosaur species, Yi qi, unearthed in China. This pigeon-sized creature had elongated fingers that held a membrane wing, more like a bat than a bird. In this Nature Video, we look at what makes this fossil so special, and consider what this dinosaur may have looked like.

Read the paper: A bizarre Jurassic maniraptoran theropod with preserved evidence of membranous wings