Bibliografia

- http://translate.googleusercontent.com/translate_c?hl=es&langpair=en%7Ces&u=http://www.abc.net.au/science/slab/dinobird/story.htm&rurl=translate.google.es&twu=1&usg=ALkJrhgctFEIAyzSZAJAZWXSYfFa-jDzkw

- http://translate.googleusercontent.com/translate_c?hl=es&langpair=en%7Ces&u=http://www.glencoe.com/sec/science/webquest/content/dinobirds.shtml&rurl=translate.google.es&twu=1&usg=ALkJrhi5VHk-Vnpq8ENHdFY_DOpoooCwsg

- http://www.monografias.com/trabajos65/origen-evolucion-aves/origen-evolucion-aves.shtml

- http://www.neoteo.com/un-dinosaurio-explica-la-evolucion-de-las-16428.neo