Robuta

https://www.usgs.gov/media/files/avian-vacuolar-myelinopathy-wild-birds Avian Vacuolar Myelinopathy in Wild Birds | U.S. Geological Survey NWHC Wildlife Health Bulletin 2004-03Avian Vacuolar Myelinopathy in Wild Birds avian vacuolar myelinopathywild birdsgeologicalsurvey