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4 décembre 2017

Medium-sized carnivores most at risk from environmental change [Phys]

The results, published today in the journal Nature Ecology & Evolution, provide methods based on a new mathematical model for predicting the vulnerability of animals to environmental changes resulting from habitat loss and climate change.

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4 décembre 2017

Les terrils, oasis pour oiseaux migrateurs en milieu urbain [Le Monde - Biodiversité]

Dans les Hauts-de-France, ces vestiges de l’exploitation minière, sur lesquels la nature reprend ses droits, constituent des escales salutaires le long des couloirs de migration.

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4 décembre 2017

The other Dodo : Extinct bird that used its wings as clubs [BBC - Science & Environment]

The extinct Dodo had a little-known relative on another island. This fascinating bird ultimately suffered the same fate as its iconic cousin, but we can reconstruct some of its biology thanks to the writings of a French explorer who studied it during his travels of the Indian Ocean.

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4 décembre 2017

Ce que les yeux de la coquille Saint-Jacques ont en commun avec le télescope [Sciences & Avenir - Animaux]

Dans les 200 yeux de la coquille Saint-Jacques (Pecten maximus), on ne trouve pas de cristallin, mais des miroirs. Une bizarrerie qui évoque la conception optique des grands télescopes actuels !

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1er décembre 2017

Migration makes breeding harder for seabirds [Phys]

An international collaboration has for the first time revealed the key drivers of seabird migration. The new study suggests that puffin colonies that travel great distances during the winter often find it more difficult to breed than others, and that escaping your habitat with far flung migration therefore carries a cost.

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