A recent story of a non-feathered dinosaur in a presumably feathered clade is stirring the pot a bit right now. The importance of shared derived characters in systematics is one reason that something like feathers tends to elicit a response from many scientists, since one character might result in the reworking of the tree of life. But there are other ways to study feathers aside from paleontology, in particular, I point you to the work of Richard Prum (in particular, this paper) and Matthew Harris. Development and genetics can be crucial supplements to the fossil evidence in this case, though dinosaurs are no longer around, birds and the crocodilian outgroup are.
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tags: evolutionary biology, paleontology, taphonomy, plumage color, feathers, color, melanin, eumelanin, phaeomelanin, dinosaurs, theropod, paravian, avialae, fossils, Anchiornis huxleyi, ornithology, birds, researchblogging.org,peer-reviewed research, peer-reviewed paper
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This is the first in an irregular series of basic concepts in science, that I suggested to the Seed Bloggers we might do from time to time. If anyone wants to suggest a revision, because I got it wrong or am unclear, make a comment - this will be revised to make sure it is OK.
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