Bird Flu H5N1 Virus Wild Birds Bird Flu Cases Geese H5N1 in Birds Gray Goose Bird Flu Reservoirs Migratory Birds Raptors Avian Flu Cases Bird Flu Transmission Infected Birds H5N1 Infections Bird Flu in Birds Domestic Birds H5N1 Strain Bird Flu Impact Infected Species Painted Storks Bird Flu Impact on Wildlife Avian Influenza Highly Pathogenic Avian Influenza Avian Health Seabirds Bird Flu in Animals H5N1 Outbreaks Avian Influenza Virus H5 Avian Flu
Regional rules now trigger action in urban parks when three dead birds appear within 24 hours.