Hall and Dalquest, 1963, p. 287 Oryzomys couesi builds globular nests of woven vegetation suspended among reeds, about 1.0 meters above the water or the ground; Benson and Gehlbach, 1979, p. 227; Reid, 2009, p. 207; Schmidly and Davis, 2004, p. 281 in Texas, larger individuals make larger nests.