Otters reveal their identity

Researchers of the Helmholtz Center for Environmental Research have developed two new methods, in order to be able to better estimate the numbers of European Otters (Lutra lutra) and their effects on the fish farming industry.

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<p><a href="http://www.physorg.com/news131889767.html">Otters reveal their identity</a></p> <p>Researchers of the Helmholtz Center for Environmental Research have developed two new methods, in order to be able to better estimate the numbers of European Otters (Lutra lutra) and their effects on the fish farming industry.</p>