Wildlife Habitat
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2023 Wolf Management Plan Is Now Available
The Wisconsin Department of Natural Resources (DNR) today released a revised draft of the 2023 Wolf Management Plan. The plan will go to the Natural Resource Board (NRB) during their meeting on Oct. 25, 2023.
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Ranavirius
Ranaviruses are a group of viruses that are found worldwide. There are different strains of ranavirus including some strains that can cause severe infections and mortality in amphibians, reptiles and fish. Strains that infect amphibians can cause…
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Wisconsin River Bald Eagle syndrome
Wisconsin River Bald Eagle syndrome is a name given to a specific group of signs which have consistently been found in sick or dead bald eagles in certain locations in Wisconsin, but for which a specific cause of those signs has not yet been found.
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White-nose syndrome in bats
White-nose syndrome (WNS) is a disease of bats that hibernate in caves, mines, and other suitable hibernacula. It is caused by the fungus Pseudogymnoascus destructans (Pd). It was first identified in North America in 2007 in bats in a cave in…
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West Nile virus
West Nile virus (WNV) is a viral disease that was commonly found in Africa, Europe, the Middle East and West Asia. It first appeared in New York in 1999 and quickly spread throughout North America. It was first detected in Wisconsin in 2001. WNV has…
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Warbles (Cuterebra botfly larvae)
Warbles is a term that describes bumps under the skin that are caused by infection with fly larvae. In wild mammals, this condition involves the larvae of the botfly, Cuterebra sp. Cuterebra warbles are most commonly seen in squirrels,…
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Tyzzer's disease (Clostridium piliforme)
Tyzzer's disease is a bacterial infection caused by the spore-forming bacterium, Clostridium piliforme. It is found in muskrats and cottontail rabbits. TRANSMISSION The likely method of transmission is through the ingestion of spores in the…
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Tularemia (rabbit fever, beaver fever)
Tularemia is also known as "beaver fever" or "rabbit fever". It is caused by a bacterium, Francisella tularensis. This bacterial disease is not common in Wisconsin but is most frequently found in Wisconsin muskrats, beaver, or rabbits.…
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Trichomoniasis in birds
Trichomoniasis is an infectious disease of birds that is caused by a protozoan (single-celled) parasite, Trichomonas gallinae. Pigeons and doves are mostly affected, but other species, such as finches, can become infected. In Wisconsin, it has…
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Squirrel pox
Squirrel pox, also called squirrel fibroma, is caused by a poxvirus called squirrel fibroma virus, which is related to other poxviruses. This disease is characterized by varying sizes and numbers of wart-like growths or fibromas on the skin of…