Wildlife Habitat
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Snake fungal disease (SFD)
Snake fungal disease (SFD) is an emerging disease that impacts numerous species of snakes and has been found throughout much of the eastern United States. It is caused by a fungus, Ophidiomyces ophiodiicola, and can cause lumps along the snake’…
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Severe Perkinsea infection of frog tadpoles
Severe Perkinsea infection (SPI) is an emerging disease of frogs and is the third most common infectious disease of frogs after chytridiomycosis (infection with chytrid fungus) and ranavirus. It was first detected in 1999 in New Hampshire with…
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Salmonellosis
Salmonellosis is a bacterial disease that infects a variety of species including mammals, reptiles and birds. There are many strains of the bacteria all belonging to the genus Salmonella. Salmonellosis is found in most avian species throughout…
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Raccoon roundworm
The Raccoon roundworm, Baylisascaris procyonis, is an internal parasite of raccoons. The parasite lives in the intestinal tract of raccoons and generally does not harm the raccoon unless the raccoon is otherwise debilitated.
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Rabies
Rabies is a contagious, usually fatal disease of the central nervous system that is caused by a virus. All warm-blooded animals, including humans, are susceptible to rabies. Birds and reptiles are not susceptible to naturally-acquired rabies and do…
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Rabbit hemorrhagic disease
For information on Rabbit, hemorrhage disease visits the Emerging Wildlife Diseases page.
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Newcastle disease
Newcastle disease is a highly contagious disease of birds that is caused by a virus. There are many strains of the Newcastle disease virus (NDV) which are classified by the severity of the disease each causes in domestic poultry. In North American…
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Mange
Mange is a skin disease that is caused by a microscopic mite. Several species of mange mites generally affect different species of animals. The most common type of mange in wildlife is sarcoptic mange, caused by the Sarcoptes scabiei mite…
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Lead toxicity in wildlife
Lead is a highly toxic heavy metal that is found in many types of ammunition and fishing tackle. Wild birds can become toxicity-prone when they accidentally consume a source of lead through their normal feeding habits. Ingestion of lead from spent…
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Epizootic hemorrhagic disease (EHD) in Wisconsin deer
In the fall of 2024, the epizootic hemorrhagic disease (EHD) virus was confirmed in deer in Chippewa, Jackson, Monroe and Waukesha counties. The number of deer suspected of dying from EHD in these areas remains low.Deer suspected of dying from EHD…