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21 septembre 2017

Sexual competition among ducks wreaks havoc on penis size [Nature]

When forced to compete for mates, some birds develop longer penises and others almost nothing at all.

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21 septembre 2017

Plants combine color and fragrance to procure pollinators [Phys]

Who knew that it’s possible to predict the fragrance of a flower by looking at its color ?
This is true for many of the 41 insect-pollinated plant species growing in a Phrygana scrubland habitat on the Greek island of Lesbos. An international research team published their findings Sept. 4 in Nature Ecology & Evolution.

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21 septembre 2017

Tool-wielding monkeys push local shellfish to edge of extinction [New Scientist]

HUMANS aren’t the only primate to have pushed their prey towards extinction. Monkeys have also over-exploited animals for food.

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21 septembre 2017

Queens under pressure - do pesticides provide additional challenges for bumblebees starting a colony ? [Nature Ecology & Evolution - Behind the paper]

The determined buzzing of queen bumblebees after a long winter is a timely reminder that spring is on its way. They industriously search for pollen and nectar to refuel after a lengthy hibernation, and find nesting sites to start their new colony. The survival and health of these queens is essential to the bumblebee life-cycle.

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20 septembre 2017

Barn owls found to suffer no hearing loss as they age [Phys]

A small team of researchers with the University of Oldenburg has found that barn owls do not suffer hearing loss as they get older. In their paper published in Proceedings of the Royal Society B, the group describes hearing tests they conducted with a group of trained owls, what they found and why they believe more study of the birds may lead to preventing hearing loss in aging humans.

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