The black and rufous sengi[2] (Rhynchocyon petersi), the black and rufous elephant shrew,[1] or the Zanj elephant shrew[3] is one of the 17 species of elephant shrew found only in Africa.[2] It is native to the lowland montane and dense forests of Kenya and Tanzania.[4] Like other members of the genus Rhynchocyon, it is a relatively large species, with adults averaging about 28 cm (11 in) in length and 450–700 g (16–25 oz) in weight.
^Norbert J. Cordeiro; Nathalie Seddon; David R. Capper; Jonathan M. M. Ekstrom; Kim M. Howell; Isabel S. Isherwood; Charles A. M. Msuya; Jonas T. Mushi; Andrew W. Perkin; Robert G. Pople & William T. Stanley (2005), "Notes on the ecology and status of some forest mammals in four Eastern Arc Mountains", Journal of East African Natural History, 94 (1): 175–189, doi:10.2982/0012-8317(2005)94[175:noteas]2.0.co;2, S2CID85816994
^G. Rathbun. (1984). Elephant-shrews, Order Macroscelidea. In : MacDonald (ed), The Encyclopedia of Mammals. Facts on File Publications, New York: 730–735.