As spring tips past the threat of freezing temperatures, watch for the first glimpse of bats at dusk. They might be mistaken for birds until you catch the steep dives and high-flying maneuvers more ...

Millie Mine, located in Iron Mountain, Michigan, is home to one of the largest bat colonies in North America. Little brown bats and big brown bats, both insectivores, inhabit the mine, with the little ...

Russ Benedict from Central College holds a big brown bat during a bat population survey at Big Hollow Recreation Area in Sperry, Iowa, on July 12, 2023. The northern long-eared bat is a threatened ...