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28 juin 2018

La France compte désormais environ 430 loups [Sciences & Avenir - Animaux]

L’ONCFS a publié les résultats de son suivi hivernal de la population lupine. Celui-ci indique que les loups s’étendent rapidement sur le territoire national.

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28 juin 2018

Bumblebees thrive in towns more than countryside [The Guardian]

Urban bumblebees have better access to food, allowing them to produce more offspring.

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28 juin 2018

Tropical ’banana eater’ birds lived in North America 52 million years ago [Phys]

A fossil of an ancestor of modern tropical birds has been found in North America, proving they also used to live in the Northern Hemisphere, say scientists at the Milner Centre for Evolution at the University of Bath.

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27 juin 2018

Striking differences in brain morphology between wild and domestic rabbits [Phys]

The most characteristic feature of domestic animals is tame behaviour. An international team of scientists has now used high-resolution magnetic resonance imaging (MRI) to study how domestication affects brain morphology in domestic rabbits. The results show that domestication has a profound effect on brain morphology in particular regions of the brain involved in fear processing, the amygdala and medial prefrontal cortex. The study is published in PNAS.

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26 juin 2018

Monarchs ride west coast winds : Proof of butterfly migration gathered [Phys]

After five years and nearly 15,000 tagged butterflies, scientists now have proof that Monarch butterflies migrate from the Pacific Northwest to California in late summer and fall, a journey averaging nearly 500 miles.

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