sexual selection

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Tag archives for sexual selection

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…

Bright Blue Tits Make Better Mothers

tags: researchblogging.org, blue tits, Cyanistes caeruleus, Parus caeruleus, sexual selection, mate choice, ornithology, female coloration, reproduction, maternal quality, evolution, birds, ornithology In many bird species, the females are brightly colored, just as the males are, but the evolutionary reasons for brightly colored females is unclear. According to one hypothesis, because males and females share the…

Pretty Boys Have All the Chicks

tags: researchblogging.org, splendid fairy-wren, Malurus splendens,sexual dichromatism, evolution, behavior, promiscuity, social monogamy Male splendid fairy-wren, Malurus splendens. Image: Pete Morris (Surfbirds.com). [screensaver size] Everyone is familiar with sexual dichromatism in birds; you know, the gorgeous, colorful male who is paired with the drab female or two. It has been observed in birds that, when males…