Transandinomys
... that the only external feature that distinguishes the rice rat genera Transandinomys and Hylaeamys may be length of the whiskers?
... that the only external feature that distinguishes the <a href="./Oryzomyini" id="mwGVs" rel="mw:WikiLink" title="Oryzomyini">rice rat</a> genera <i id="mwGVw"><b id="mwGV0"><a href="./Transandinomys" id="mwGV4" rel="mw:WikiLink" title="Transandinomys">Transandinomys</a></b></i> and <i id="mwGV8"><a href="./Hylaeamys" id="mwGWA" rel="mw:WikiLink" title="Hylaeamys">Hylaeamys</a></i> may be length of the <a class="mw-redirect" href="./Whisker" id="mwGWE" rel="mw:WikiLink" title="Whisker">whiskers</a>?