Great horned owl (IMAGE) Tufts University Caption During the current outbreak of highly pathogenic avian influenza, great horned owls are among the species that have tested positive. Pictured: a great horned owl is treated at Tufts Wildlife Clinic in 2019 (for injuries unrelated to avian influenza). Credit Alonso Nichols/Tufts University Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. License CC BY-NC Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.