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7 February 2017

Forest ’islands’ offer refuge to wintering birds [Phys]

UW-Madison researchers studying forest microclimates show that these refuges may mean the difference between life and death for chickadees and their overwintering songbird kin.

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7 February 2017

Being friendly puts monkeys at risk in times of revolution [New Scientist]

Being too friendly can be costly. When a new alpha male takes over, female capuchin monkeys are more likely to lose their offspring to infanticide if they have an extensive network of social contacts than if they don’t.
This new finding suggests sociable primates don’t necessarily fare better than non-sociable ones when it comes to raising offspring.

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6 February 2017

Les incroyables propriétés de la langue de grenouille [Le Monde - Blogs]

Vous avez sûrement déjà vu un documentaire animalier dans lequel une grenouille (ou un crapaud) projette sa langue hors de sa bouche pour attraper une mouche. Si quelque chose vous a épaté, c’est probablement la vitesse et la précision du « tir », mais vous ne vous êtes pas demandé comment la grenouille faisait pour que sa proie reste collée à sa langue. Sans doute celle-ci est-elle très adhésive, vous êtes-vous dit en oubliant la question annexe : dans ce cas, comment le batracien décolle-t-il l’insecte pour l’avaler ?

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3 February 2017

La résistance des requins face aux cancers expliquée par leur génome [Sciences et Avenir - Animaux]

Des chercheurs américains estiment que les requins n’ont pas de cancers grâce à l’évolution de deux de leurs gènes.

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3 February 2017

Seeking freshwater pandas: the ‘flagship umbrella species’ approach [The Freshwater Blog]

The identification of flagship species for aquatic ecosystems – so-called ‘freshwater pandas’ – may help bring threatened freshwater biodiversity ‘to life’ and increase awareness of, and support for, conservation measures, according to a new open-access study published in Conservation Biology. Flagship species were defined in 2000 by conservationists Nigel Leader-Williams and Holly Dublin as “popular charismatic species that serve as symbols and rallying points to stimulate conservation awareness and action.”

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