Twisted beaks: Scientists exploring mysterious deformities focus on new virus

Kay, Jane

Publisher:  Environmental Health News
Date Written:  15/09/2014
Year Published:  2014  
Resource Type:  Article
Cx Number:  CX16967

Today, deformed beaks have been discovered in more than 2,500 of Alaska's chickadees, or 6.5 percent of captured adults, and in 29 other species in south central Alaska. For crows, the disfigured beaks are even more prevalent, at 17 percent, the "highest rate of gross deformity ever documented in a wild bird population," according to the USGS.

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