Chris Merkord Posted October 6, 2013 Share Posted October 6, 2013 How crows keep their cool Charlotte Observer Not all birds respond to stress in the same way, however, notes Daniel Sol, an ornithologist at the Centre for Ecological Research and Forestry Applications in Cerdanyola del Vallès, Spain. He and colleagues for years have looked at the differences ... and more » View the full article Link to comment Share on other sites More sharing options...
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