Hyenas' laughter signals deciphered

Acoustic analysis of the 'giggle' sound made by spotted hyenas has revealed that the animals' laughter encodes information about age, dominance and identity. Researchers writing in the open access journal BMC Ecology recorded ...

Reducing some water flow rates may bring environmental gains

Conservation projects often attempt to enhance the water-based transport of material, energy, and organisms in natural ecosystems. River restoration, for example, commonly includes boosting maximum flow rates. Yet in some ...

Evolution may take giant leaps

(PhysOrg.com) -- A new study of thousands of species of plants and animals suggests new species may arise from rare events instead of through an accumulation of small changes made in response to changes in the environment.

Social networking study reveals threat to Tasmanian devils

A new study into the social networks of Tasmanian devils may help prevent the further spread of an extinction-threatening disease. The research, published in Ecology Letters, has produced an intricate social network of devil ...

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