Wildlife Habitat
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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 WI deer
In the fall of 2024, epizootic hemorrhagic disease virus (EHDV) was confirmed in deer in Chippewa, Jackson, Monroe and Waukesha counties. The number of deer suspected of dying from EHDV in these areas remains low.Hemorrhagic disease (HD) is an acute…
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Deer nasal bot flies
Nasal bots are the larvae of the bot fly (Cephenemyia sp.) and are common parasites that are found in the nasal passages of deer. TRANSMISSION Adult female flies deposit eggs in the nostrils of the deer. The eggs hatch into larvae and then…
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Deer liver flukes
Liver flukes (Fascioloides magna) are flatworm parasites that may be found in the liver of some deer. Adult flukes are purple-gray in color, flat and oval-shaped. The flukes vary in size from 1.5-3 cm wide to 3-10 cm long. They may look like leeches…
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Deer fibroma
Fibromas are firm, nodular, fleshy masses attached to the skin. They are commonly described as warts. Fibromas vary in size from less than one inch to more than four inches in diameter, and they can be found anywhere on the deer's body, but are most…
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Corn toxicity in ruminants
Corn toxicity refers to two diseases, acidosis (grain overload) and enterotoxemia (overeating disease). Both diseases can cause death in any ruminant, including white-tailed deer and elk, even those in good body condition. While these diseases can…