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Cougar's Movements Betrayed by Claw Analysis Sunday, August 10, 2008 - Ehud Rattner Home >> Headlines >> Biology   
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The last months of a cougar’s life have been reconstructed by analysing the chemical isotopes in its claw. The technique could be a boon for conservation biologists and land managers who need to track the movements of animals, say the scientists behind the study. Cougars, like all animals, carry an invisible history of their movements in non-living tissue such as claws and hair. These contain characteristic ratios of stable isotopes, unique to a particular location. (source: nature.com)
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2008 In Technology |
