The mine shaft park and bat viewing area is located in Iron Mountain, not far off U.S. 2, on Millie Hill Bat Cave Road. What species of bats live in Millie Mine?

Making a bat cave: Sealed mine at Bear Lake National Wildlife Refuge (L); bat-friendly gate being lifted into place (C); bats can get in, people can’t. (Photo by Dan Nolfi/USFWS) Mines may also help ...

In the summer of 1960, Dr. Constantine and his crew moved into one of these noisome spots, the Frio Cave in southern Texas. While rabid bats flew overhead spraying them with urine, they slogged ...

Cadomin Cave is Alberta’s largest known bat hibernaculum. The cave, among the largest in the Canadian Rockies, is a critical hibernation site for hundreds of bats — three species use the cave ...