Silver-haired Bat 26. Myotis lucifugus has been known to roost in attics of peoples’ houses and take up residence in barns and sheds. The Little brown bat is widespread across its range, but the overall number of their population is currently unknown. Four species are known as the cave bats and hibernate in caves and mines throughout the winter. One female little brown bat - with a body less than the length of your thumb - can eat its body weight in insects in one evening, Redell said. The little brown bat varies in color from brown, reddish, to golden, although some albino specimens have been observed. Big Brown Bat 24. Bats are grouped into the order Chiroptera, which means “hand wing.” This phrase refers to the fact that the wings of all bats are made up of a thin membrane stretched over elongated finger bones. Mammals of Wisconsin; Print Mammals of Wisconsin Mammals found in the state of Wisconsin. They also weigh no more than half an ounce. All 66; Tags; ... Little Brown Bat 21. Because the location and elimination of the roost is not as easy as it sounds, a professional should aid in this process. Ecological niche. Little Brown Bat (Myotis lucifugus) This species is the most common Myotis species in the northern two-thirds of the United States. This bat is about 3-3.5 inches long with a wingspan of 8.5-10.5 inches. If the Little Brown bat has been found inside human-inhabited structures it should be removed immediately. ... Northern Myotis 23. Professional Little Brown Bat Control. Eastern Red Bat 25. A single little brown bat can catch 600 mosquitoes in just one hour. Myotis septentrionalis. Lasionycteris noctivagans. One popular hibernation spot in Wisconsin is Neda Mine, an abandoned iron mine located in Dodge County. The little brown bat is distributed state wide in Wisconsin however it is less common in urban areas. Little Brown Bat – Myotis lucifugus Description. Myotis lucifugus. A little brown bat is identified with white-nose syndrome in a New York cave in 2008. The cave bats are all susceptible to the devastating bat disease white-nose syndrome. It is very small with an overall body size that is from 2.5 inches to 4 inches. Such is the insect-hunting prowess of the bats that they are thought to save farmers billions of dollars in crop losses, according to Sheryl L. Ducummon, with Bat Conservation International. The little brown bat (Myotis lucifugus) comes by its name honestly. Tricolored Bat 22. Bats in Wisconsin. Little brown bats can be found with a wide range of colors from almost black to a pale brown-gray. The most common bat in Wisconsin is the little brown bat. The disease has severely affected this species in Wisconsin, but some populations along the Mississippi and Wisconsin rivers have so far proven more resilient. Female little brown bats will establish a maternity colony commonly in attics where it is warm. Wisconsin Bats Wisconsin has seven species of bats. They will weigh about 0.25-0.35 ounces with the females slightly heavier than the males. Little brown bats play a significant role in the local ecosystem, controlling populations of insects. The Little Brown Bat is a species that is well known. At 2 ½” to 3 ½” long (thumb-sized), with a wingspread of 8 ½” to 10,” and weighing in at less than a half-ounce (females are a bit larger than males), it is Wisconsin’s second-smallest bat. Four hibernating bats in Wisconsin are affected by white-nose, including little brown, big brown, tricolor and Northern long-eared. Frequently found in tree "Traditionally or historically, we've had about 143,000 bats that hibernate there, and most of them are little brown … Little Brown Bat. Here's the rundown. The span of their wings when outstretched can be up to 11 inches. On the IUCN Red List, the Little brown bat is classified as Least Concern (LC) with a stable population trend. It's home to the largest hibernating bat population in the Midwest. Lasiurus borealis. Eptesicus fuscus. Wisconsin has eight species of bats, all of which are insectivorous and use echolocation to navigate and capture prey.