Evolution

Living the Scientific Life (Scientist, Interrupted)

Category archives for Evolution

tags: The World’s Smallest Horse, miniature horses, animals, pets, selective breeding, artificial selection, streaming video The world’s smallest horse, a colt named Einstein, was born 22 April 2010 on a farm in Barnstead, New Hampshire. Just 14 inches tall and weighing only 6 pounds at birth, Einstein appears to have beaten the previous “world’s tiniest…

tags: Parrots the Universe and Everything, biogeography, lemurs, twig technology, conservation, endangered species, evolution, komodo dragons, kakapo, baiji, comedy, Douglas Adams, streaming video Douglas Adams was the best-selling British author and satirist who created The Hitchhiker’s Guide to the Galaxy [DVD]. In this talk at UCSB recorded shortly before his tragic and untimely death, Adams…

tags: evolutionary biology, behavioral ecology, molecular ecology, personality, novelty seeking, exploratory behavior, dopamine receptor, dopamine receptor D4 gene, DRD4 gene polymorphism, ornithology, birds, Great Tit, Parus major, researchblogging.org,peer-reviewed research, peer-reviewed paper Bold or cautious? Individuals with a particular gene variant are very curious — but only in some populations. Image: Henk Dikkers. Research suggests that…

tags: evolution, evolutionary biology, UV light, flight, dinosaur, dromaeosaur, theropods, Microraptor gui, paleontology, fossils, birds, researchblogging.org,peer-reviewed research, peer-reviewed paper, journal club Figure 1. The holotype of Microraptor gui, IVPP V 13352 under normal light. This shows the preserved feathers (white arrow) and the ‘halo’ around the specimen where they appear to be absent (black arrows).…

tags: evolution, evolutionary biology, behavioral ecology, animal behavior, molecular ecology, parental care, mating systems, monogamy, sexual selection, frogs, poison dart frogs, Dendrobatidae, Ranitomeya, researchblogging.org,peer-reviewed research, peer-reviewed paper, journal club Peruvian mimic poison frog, Ranitomeya imitator. Image: Jason Brown [larger view] To know the breeding system is to know the genetic architecture of a species. To…

tags: Life, Discovery Channel, Reptiles and Amphibians, Waterfall Toad Leap from Danger, animals, mammals, birds, BBC, television, streaming video Gail Weiswasser at the Discovery channel emailed a few days ago to tell me about TONIGHT’s premiere on the Discovery Channel of BBC’s LIFE, the 11-part follow up to PLANET EARTH (the most successful natural history…

tags: Life, Discovery Channel, Reptiles and Amphibians, Komodo Dragons Hunt Buffalo, animals, mammals, birds, BBC, television, streaming video Gail Weiswasser at the Discovery channel emailed a few days ago to tell me about the upcoming March 21 premiere on the Discovery Channel of BBC’s LIFE, the 11-part follow up to PLANET EARTH (the most successful…

tags: Life, Discovery Channel, BBC, Challenges of Life, Stalk-Eyed Fly, animals, mammals, birds, television, streaming video Gail Weiswasser at the Discovery channel emailed a few days ago to tell me about the upcoming March 21 premiere of BBC’s LIFE on the Discovery Channel. LIFE is the 11-part follow up to PLANET EARTH (the most successful…

tags: Life, Discovery Channel, Challenges of Life, Cheetas Hunting Ostrich, animals, mammals, birds, television, BBC, streaming video Gail Weiswasser at the Discovery Channel emailed a few days ago to tell me about the upcoming March 21 premiere of BBC’s LIFE, the 11-part follow up to PLANET EARTH (the most successful natural history documentary of all…

tags: evolution, evolutionary biology, gynandromorph, bilateral gynandromorph bird, half-sider, mixed-sex chimaera, sex determination, molecular biology, genetics, developmental biology, endocrinology, birds, chicken, Gallus gallus, ornithology, researchblogging.org,peer-reviewed research, peer-reviewed paper, journal club Half-sider. Almost exactly one year ago, hundreds of American birders were thrilled by sightings and photographs of this remarkable Northern Cardinal, or Redbird, Cardinalis cardinalis,…