plumage color

Living the Scientific Life (Scientist, Interrupted)

Tag archives for plumage color

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 New research reveals that recently-described 155-million-year-old Anchiornis huxleyi, a woodpecker-like dinosaur the size of a modern-day domesticated chicken, had black-and-white spangled wings and a rusty red crown. Image: Michael DiGiorgio,…

tags: evolutionary biology, fossils, feathers, plumage color, color, dinosaurs, theropods, Sinosauropteryx, Sinornithosaurus, birds, Confuciusornis, melanosomes, phaeomelanosomes, eumelanosomes, keratinocytes, SEM, scanning electron microscopy, 10.1038/nature08740, researchblogging.org, peer-reviewed research, peer-reviewed paper Reconstruction of two Sinosauropteryx, sporting their orange and white striped tails. Artwork by Chuang Zhao and Lida Xing [larger view] DOI: 10.1038/nature08740 While looking at museum dioramas…

tags: evolution, evolutionary biology, evolutionary ecology, plumage color,carotenoid-based colour, carotenoids, lipid peroxidation, oxidative stress, sperm motility, sperm quality, sperm velocity, birds, ornithology, Great Tit, Parus major, researchblogging.org,peer-reviewed research, peer-reviewed paper Great Tit, Parus major. Image: Luc Viatour, Creative Commons/Wikipedia [larger view] In some species of birds, males are more brightly colored than females. This phenomenon…

tags: Blue House Sparrow, Passer domesticus, birds, blue feather color, plumage color, refraction Blue-colored Male House Sparrow, Passer domesticus, photographed in Sydney, Australia, April 2009. Image: Richard Shears, Daily Mail [larger view]. Some of you might remember the remarkable photographs of the blue-colored male house sparrow, Passer domesticus, that was photographed in a garden in…

tags: Blue House Sparrow, Passer domesticus, birds, blue feather color, plumage color, refraction Blue House Sparrow, Passer domesticus, photographed in Sydney, Australia. I contemplated giving this bird to you as the daily Mystery Bird, but decided that you’d all probably riot, so instead, I am going to identify this bird so we can discuss it.…

tags: blue tit, Cyanistes caeruleus, extrapair fertilization, genetic benefit hypothesis, genetic similarity, plumage color, birdsong, ornithology, behavioral ecology Blue tit, Cyanistes caeruleus. Image: Paul Hillion, 26 April 2008. Even though most bird species form social bonds with their mates, they are not always faithful partners to each other. It’s easy to figure out why male…

tags: political views, politics, physiology, threat response, psychology, philosophyfight or flight, nature versus nurture Most Americans have been actively engaged in the frustrating sport of arguing about politics, which often leads to the common refrain; “You just don’t get it!” So this made me wonder why people who seem to have similar life experiences can…

tags: researchblogging.org, dichromatism, mating system, plumage color, sex allocation, eclectus parrots, Eclectus roratus, ornithology, birds, avian, parrots Elektra, my female Solomon Islands eclectus parrot, Eclectus roratus solomonensis. This is the smallest and most distinctively marked of all the subspecies of eclectus parrots. Image: GrrlScientist 4 July 2008 [larger view]. Some of you might recall the…

tags: researchblogging.org, melanosomes, plumage color, feather color, fossil preservation, birds, dinosaur, Jakob Vinther Male Red-bellied woodpecker, Melanerpes carolinus. Image: Ken Thomas (Wikipedia) [larger view]. When looking at paintings and reconstructions of fossil birds and dinosaurs, people often ask “how do you know what color they were?” Well, we didn’t. However, a new paper was just…

tags: researchblogging.org, birds, ornithology, evolution, radiation, Chernobyl Normal Barn Swallow (a), while the other pictures show signs of albinism (white feathers; b & c), unusually colored feathers (d), deformed beaks (e & f), deformed air sacs (g), and bent tail feathers (h & i). Images: Tim Mousseau. Twenty years after the Chernobyl reactor disaster, which…