The big brown bat is the Adirondack’s largest bat; only the hoary bat is larger. The long, lustrous fur is brown. The ears, wing and tail membranes are black. Total length is 105-123 mm (4.1-4.8 in).

But as that ocean becomes ever deeper and vaster through accelerating sea-level ... Those bats are Florida bonneted bats. Florida's largest bats, these unique creatures get their common name from the ...