|The length from head to
end of its tail 3.4-5.4 “, from wing tip to
wing tip is 13-16” Weight is .4 to .8 oz. This is a medium to large bat
that varies in color from light to dark brown. The wings, tail, ears
and nose lack fur and are dark brown to black. This bat can live at
lease 20 years. This is the most common bat found in Minnesota’s winter
months hibernating in buildings. The breeding takes place in the fall.
The female will store the sperm and eggs until spring. The gestation is
60 day. The female can have twins. The pups are weaned and able to fly
in 3-4 weeks.