Distribution of sampling sites for genetic groups. Group 1 is restricted to Central America. Groups 3 and 4 occupy sympatric distributions in the lowlands of the Guyana Shield while the few individuals in Group 2 occurred at higher elevations in Guyana and in Venezuela and Trinidad. Measures of the constant frequency component of most energy for echolocation calls are indicated. Photographs by E.L. Clare and M.B. Fenton.
Clare et al. BMC Evolutionary Biology 2013 13:26 doi:10.1186/1471-2148-13-26