The Incredible Disappearing Crows

September 2007
Wildlife Professional (Allen Press);Fall2007, Vol. 1 Issue 3, p10
The article focuses on the death of millions of wild birds in North America since the start of the West Nile Virus (WNV) epidemic based on a study published in the journal "Nature." The analysis of the WNV impact on 20 species revealed a significant decline in population of 7 species that implicates infectious disease. Statistics showed a 45 percent population drop from 1998 levels for American crows in some regions. The likelihood of ecosystem impact due to invasive bugs is also suggested.


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