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Range DescriptionThis species is found in northern and eastern Madagascar. The range of this species remains to be fully determined. Groves (2000, 2001) described it as running inland to that of C. major in eastern Madagascar and extending further to the north. Known localities include Vohima, Lac Alaotra, Andasibe (= Périnet), Imerina, Sambava, Manatenina, Vohémar, and the mid-to low-altitude forests at Tsinjoarivo where it has been recorded at Talatakely and Vatateza and, sympatric with C. sibreei, at Andasivodihazo. Cheirogaleus crossleyi is also sympatric with C. major in Ranomafana National Park. According to a study by Hapke et al. (2005), this is one of three dwarf lemurs found west of Tolagnaro (= Fort-Dauphin). Cheirogaleus major and C. medius are also found in the region, although not to date in the same forests. Both C. crossleyi and C. medius occur in humid forest remnants in the Lavasoa-Ambatotsirongorongo Mountains (west of Fort-Dauphin). It occurs from sea level to 1,800 m.