![]() Description of the site and surrounding area.Photo of den, ideally showing it in relation to its surroundings, from a safe distance.Helpful information to report to the bear research team includes: The public is encouraged to report as much information about occupied black bear dens as possible without approaching or disturbing the dens. Active bear dens with cubs will often produce sounds like squeaking, grunting, humming or sucking, usually when cubs are nursing. Price Tack describes the importance of this project and public reporting in this short video.īlack bear dens are getting noisier with the birth of cubs, so dens are sometimes found this time of year by people who hear unusual small sounds while in the woods. "Reporting dens helps us meet the sample size requirements for our study and increases the accuracy of the black bear population model." Jennifer Price Tack, DNR Large Carnivore and Elk Research Scientist. You don’t find bear dens every day, so it is important that people report them to us when they find them," said Dr. “Public reporting is essential to this project. ![]() Additionally, researchers are investigating a connection between consumption of human food sources and bear reproduction since diet can affect cub survival rates and litter sizes. The study will generate new estimates of black bear reproductive rates within each bear management zone, and these estimates will improve the accuracy of the population models used to manage bears in the state. ![]() The Black Bear Litter and Diet Survey will begin its second year of data collection in March and is looking for more dens statewide to include in the study. ![]() ![]() MADISON, Wis. – The Wisconsin Department of Natural Resources (DNR) encourages the public to report any black bear den locations they find across Wisconsin in order to help with an ongoing study on black bear reproduction. ![]()
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