Wildlife Habitat
- Webpage
Brain abscesses or cranial abscessation syndrome (CAS)
Brain abscesses in deer (also called cranial abscessation syndrome or CAS) are infections within the brain that produce abscesses that contain pus. The infections are usually caused by the bacterium Trueperella pyogenes. These bacteria are…
- Webpage
Bovine tuberculosis (TB)
Bovine Tuberculosis (bovine TB) is a respiratory disease caused by the bacterium Mycobacterium bovis. Bovine TB can infect most mammals, including white-tailed deer and humans. The federal government has done nationwide testing of cattle herds…
- Webpage
Avian pox
Avian pox is an infectious disease of birds caused by a poxvirus belonging to a group of viruses called avipoxviruses. Avian pox is a slowly developing disease that can affect many wild bird species, including turkeys and songbirds.
- Webpage
Avian influenza
The DNR reminds Wisconsinites that the virus that causes highly pathogenic avian influenza (HPAI) in wild birds is still present in the state.Following the introduction of HPAI H5N1 in 2022, numerous mortality events due to this strain have impacted…
- Webpage
Avian cholera
Avian cholera is a common waterfowl disease that most frequently affects waterfowl and coots, followed by scavenger bird species and other water birds. It is caused by the bacterium, Pasteurella multocida, which is highly contagious among birds…
- Webpage
Avian Botulism
Avian botulism is a neuromuscular illness caused by a toxin that is produced by the bacteria Clostridium botulinum. There are seven types of botulism toxins (A-G). Wild birds are affected by type C and type E. These bacteria typically live in…
- Hearing/Meeting
Sharp-tailed Grouse Advisory Committee Meeting
The Committee is meeting to discuss changes to the draft Sharp-tailed Grouse Plan.
- News
Take Steps Now To Avoid Potential Conflicts With Black Bears
The Wisconsin Department of Natural Resources (DNR) encourages residents and visitors to take precautions to avoid potential conflicts with black bears.
- News
DNR Highlights Habitat Restoration Partnerships
The Wisconsin Department of Natural Resources (DNR) is proud to highlight partnerships with several external organizations that help improve public land and habitat across our state. Earlier this year, the DNR added two new partnerships to the growing list who help strengthen the DNR's mission to protect and improve habitat for wildlife species.
- Webpage
Aquatic Communities
The tables below compare natural aquatic communities used in the 2025-2015 Wisconsin Wildlife Action Plan with those used by the DNR's Natural Heritage Inventory and River and Lakes programs.