Forskel mellem versioner af "Fuglenes oprindelse"

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==Eksterne henvisninger==
=== På dansk ===
*[ Viden Om: Fuglenes Forfader]
=== På engelsk ===
*[ Flying Dinosaurs] Citat: "...pterosaurs...were not dinosaurs, although they were related to them; they were flying reptiles..."
*[ Microraptor] Citat: "...Microraptor zhaoianus...The discovery of a 130-million-year-old fossil of a feathered dinosaur provides dramatic evidence that birds evolved from the ancient reptiles, according to new research...Theropod dinosaurs and birds share about 100 anatomical features, including a wishbone, swiveling wrists and three forward-pointing toes. Norell said dromaeosaurs were theropod dinosaurs thought to be most closely related to birds..."