Avian Vacuolar Myelinopathy

In November 1994 to December 1994, twenty-three bald eagles died due to an unknown cause (Fischer 1995). In November 1996, American coots were also found dead or dieing due to this mysterious disease (Fischer 1997). Labeled Coot and Eagle Brain Lesion Syndrome, it was changed to Avian Vacuolar Myelinopathy when it was discovered to affect other species as well. It has become the most significant unknown cause of eagle mortality in the history of the United States. Avian Vacuolar Myelinopathy …

…disease may become so widespread that the bald eagle may have to be put back on the endangered species list. Mystery surrounds the cause of the disease, therefore making it nearly impossible to prevent it. Avian Vacuolar Myelinopathy may keep showing up in more species every year, it is unknown if it can only affect waterfowl. The disease may also disappear as quickly as it started, leaving scientists guessing as to its cause and cure.