Animals

  1. Life

    Evolution of mammalian monogamy remains mysterious

    Two large studies reach opposing conclusions about why males stay with females.

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  2. Animals

    Oxygen boost aided carnivore evolution in Cambrian explosion

    Atmospheric change and rise of predators caused burst in complexity of life.

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  3. Animals

    Eye-tracking cameras show peahens’ wandering gaze

    Data show that female birds are not so riveted by their suitors’ magnificence

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  4. Animals

    Dolphins name themselves with a whistle

    The marine mammals respond only to their own handles.

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  5. Animals

    Fattened livers prep white sharks for extreme migrations

    The organ's reserves enable a long journey from waters off California to Hawaii and back, tracking data suggest.

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  6. Animals

    Sponges boom thanks to Antarctic ice shelf bust

    Previously thought to grow at a slow pace, the sea creatures exploded in number.

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  7. Animals

    Hawkmoths squeak their genitals at threatening bats

    Sounds of an approaching predator inspire ultrasonic rasping in insect prey.

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  8. Animals

    Highlights from the Evolution 2013 meeting

    Selections from the meeting include a natural fish experiment, terrapins' light displays and why a variety of eye colors persist in people, presented June 21-25 in Snowbird, Utah.

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  9. Animals

    Gut microbes may put barrier between species

    Wiping out gut bacteria in wasps saves crossbred offspring from death, suggesting that microbes may play a role in speciation.

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  10. Animals

    Honeybees use right antennae to tell friend from foe

    Asymmetry in sense of smell alters insects' behavior in lab tests.

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  11. Animals

    Cicadas’ odd life cycle poses evolutionary conundrums

    Scientists are getting an idea about the odd family tree of periodical cicadas, how the insects synchronize their life cycles and why they breed side-by-side with others unsuitable for mating.

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  12. Animals

    Lemurs’ group size predicts social intelligence

    Primates that live with many others know not to steal food when someone is watching.

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