Gary Wiles, U.S. Department of Agriculture and Wildlife Resources with a Mariana fruit bat clinging to his shirt. The Mariana fruit bat - a medium-sized bat found only in Guam and the Commonwealth of.the Northern Mariana Islands (CNMI) - has been reclassified from endangered to threatened status on Guam and newly listed as threatened in the CNMI (as of 2005). (MODEL RELEASED).