Gary Pelton, biologist, U.S. Army Corps of Engineers,

Gary Pelton, biologist, U.S. Army Corps of Engineers, New England District, releases a bat back into the wild. Pelton, and a group of interns from the Student Conservation Association, have been collecting data on bats for the state of New Hampshire to help with population estimates to determine whether the little brown bat should be listed on the state's endangered species list. (U.S. Army photo/Christopher Scheiner)