evolution

Living the Scientific Life (Scientist, Interrupted)

Tag archives for evolution

Birdbooker Report 113-114

tags: Birdbooker Report, bird books, animal books, natural history books, ecology books Books to the ceiling, Books to the sky, My pile of books is a mile high. How I love them! How I need them! I’ll have a long beard by the time I read them. ~ Arnold Lobel [1933-1987] author of many popular…

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…

Birdbooker Report 112

tags: Birdbooker Report, bird books, animal books, natural history books, ecology books Books to the ceiling, Books to the sky, My piles of books is a mile high. How I love them! How I need them! I’ll have a long beard by the time I read them. ~ Arnold Lobel [1933-1987] author of many popular…

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…

Birdbooker Report 111

tags: Birdbooker Report, bird books, animal books, natural history books, ecology books Books to the ceiling, Books to the sky, My piles of books are a mile high. How I love them! How I need them! I’ll have a long beard by the time I read them. ~ Arnold Lobel [1933-1987] author of many popular…

Birdbooker Report 110

tags: Birdbooker Report, bird books, animal books, natural history books, ecology books Books to the ceiling, Books to the sky, My piles of books is a mile high. How I love them! How I need them! I’ll have a long beard by the time I read them. ~ Arnold Lobel [1933-1987] author of many popular…

Birdbooker Report 109

tags: Birdbooker Report, bird books, animal books, natural history books, ecology books “How does one distinguish a truly civilized nation from an aggregation of barbarians? That is easy. A civilized country produces much good bird literature.” –Edgar Kincaid The Birdbooker Report is a special weekly report of a wide variety of science, nature and behavior…

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,…

tags: evolution, evolutionary biology, ancient DNA, aDNA, molecular biology, molecular ecology, archaeology, paleontology, fossil eggshell, extinct birds, giant moa, Dinornis robustus, elephant birds, Aepyornis maximus, Mullerornis, Thunderbirds, Genyornis, researchblogging.org,peer-reviewed research, peer-reviewed paper, journal club Elephant bird, Aepyornis maximus, egg compared to a human hand with a hummingbird egg balanced on a fingertip. To conduct my…