Avian Influenza Epidemiology Injury Prevention Paralysis Syndrome Mange Genetic Engineering Toxicology Research Methodologies Behavioral Issues Bone Tumors Bird Flu Mortality Events Tularemia in Animals Endangered Species Trauma in Animals Botulism Impact of Illness on Behavior Infectious Diseases Injury from Foreign Objects Squirrel Fibromatosis Symptoms Bats Rodents Papillomavirus Infections Impact on Ecosystem Rabies Viral Infections