Small mammals of the mid-Araguaia River in central Brazil, with the description of a new species of climbing rat Author Rocha, Rita G. Author Ferreira, Eduardo Author Costa, Barbara M. A. Author Martins, Iracy C. M. Author Leite, Yuri L. R. Author Costa, Leonora P. Author Fonseca, Carlos text Zootaxa 2011 2789 1 34 journal article 10.5281/zenodo.206170 6fa16a5a-560e-432f-ad9e-f93e8bd3e90d 1175-5326 206170 Didelphis Linnaeus Didelphis species are the largest marsupials in the region ( Emmons & Feer 1997 ). The two species captured are easily recognized and distinguished by the color of their ears. The sympatry of these species has already been reported for localities in central Brazil (e.g., Bezerra et al. 2009 ).