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22 septembre 2017

Important déclin du Moineau domestique à Paris [CORIF - LPO]

Depuis 2003, le Centre ornithologique Île-de-France et la LPO Île-de-France étudient l’évolution de la population de moineaux domestique à Paris.
Quatorze vagues d’observations sur près de 200 points montrent que trois moineaux sur quatre ont disparu du paysage parisien en treize ans.
Avec un retard d’une bonne décennie, les moineaux parisiens subissent le même sort que leurs congénères des autres grandes villes européennes.

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22 septembre 2017

Scientists discover unique Brazilian frogs that are deaf to their own mating calls [The Guardian]

Pumpkin toadlet frogs are only known case of an animal that continues to make a communication signal even after the target audience has lost the ability to hear it.

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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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