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. 2010 Sep 17;5(9):e12842. doi: 10.1371/journal.pone.0012842

Figure 1. CF frequencies of sympatric horseshoe bats from Bulgaria are plotted against forearm length, the standard size measure in bats, for Rhinolophus ferrumequinum (Rf, N = 25), R. blasii (Rb, N = 56), R. mehelyi (Rm, N = 85), R. euryale (Re, N = 116) and R. hipposideros (Rh, N = 10).

Figure 1

The peak echolocation call frequencies used by Rm strongly overlapped those of Re and Rh (dotted lines), while the bands used by Rf and Rb were clearly separated.