convergent evolution

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Tag archives for convergent evolution

tags: evolutionary biology, convergent evolution, paleontology, taxonomy, zoology, basal birds, theropods, dinosaurs, ornithology, birds, Alvarezsauroidea, Haplocheirus sollers, Maniraptora, Archaeopteryx, researchblogging.org,peer-reviewed research, peer-reviewed paper A Newly Discovered Basal Alvarezsauroid Theropod from the Early Late Jurassic. Artwork: Portia Sloan [larger view] DOI: 10.1126/science.1182143 A long-standing scientific debate focuses on the origins of birds: did they evolve from…

tags: evolution, honeyeaters, Meliphagidae, Mohoidae, birds, ornithology, birds, molecular phylogeny, extinct species, South Pacific Islands Two nectar-feeding birds from Hawai’i, the kioea (brown-streaked, in middle) and an o’o species (lower left), looked so much like nectar specialists from the western Pacific (two species on right) that taxonomists put them all in the same honeyeater family,…