Microraptor: The Four-Winged Dinosaur With Shimmering Feathers HowStuffWorksFlightless Jurassic bird reveals early diversity Asia Research News |This prehistoric animal lived 150 million years ago – and was a weird mix between dinosaur and bird BBC Wildlife MagazineJurassic flightless bird reveals early ecological diversity of avialans NatureFlightless ancient bird complicates our picture of wing evolution New Scientist
