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12 octobre 2017

Interspecies Hybrids Play a Vital Role in Evolution [Quantamagazine]

Hybrids, once treated as biological misfits, have been the secret saviors of many animal species in trouble. Reconciling that truth with conservation policies poses a challenge for science.

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12 octobre 2017

Drone designers accidentally explain colour of albatross wings [New Scientist]

It’s not every day that an aerospace engineer raises new questions about bird flight. But Abdessattar Abdelkefi and his team at New Mexico State University did just that while trying to devise better drones.

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12 octobre 2017

Elusive ’Tree Lobster’ Insect Was Just Officially Brought Back From The Dead [ScienceAlert]

A species is back from the grave, thanks to the hard work of an international conservation effort. The Australian Lord Howe Island stick insect, thought to have become extinct in the 1920s, is now officially alive again, confirmed by DNA testing.

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11 octobre 2017

La faune de Porto Rico est totalement perturbée après le passage de l’ouragan Maria [Sciences & Avenir - Animaux]

Après le passage de l’ouragan Maria, les animaux portoricains peinent à retrouver leurs repères dans le paysage dévasté.

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11 octobre 2017

Large ancient flightless birds from Australia, Europe and North America found to be related [Phys]

A small team of researchers from Flinders University, Centro de Investigaciones en Ciencias de la Tierra and the South Australian Museum has found evidence that suggests large flightless birds that once lived in Australia, Europe and North America were related to one another. In their paper published in Royal Society Open Science, the group describes using a variety of techniques to study the ancient birds and offers a theory on how birds that were unable to fly were related to other birds that could not fly such a great distance.

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