African Grass Rat

The African grass rat (Arvicanthis niloticus) is a species of rodent in the family Murinae. == Taxonomy == The species is divided into the following six subspecies. A. n. niloticus: Nile, Egypt; A. n. dembeensis (Rüppell, 1842): Sudan, Ethiopia, Eritrea; Tanzania, Kenya, Burundi, Uganda, Democratic Republic of Congo; A. n. naso (Pocock, 1934): Yemen; A. n. rhodesiae (St.Leger, 1932): Zambia; A. n. solatus (Thomas, 1925): Senegal; Mauritania, Mali, Niger, Chad, Burkina Faso, Ghana, Nigeria, Cameroon and Central African Republic; A. n. testicularis (Sundevall, 1843): upper Nile, central Sudan. == Description == Arvicanthis niloticus is a rodent of medium size, with the length of the head and of the body between 159 and 202 mm, the length of the tail between 125 and 173 mm, the length of the foot between 33 and 42 mm, the length of the ears between 19 and 23 mm and a weight up to 201 g. The fur is rough. The upper parts of individual hairs are yellowish with blackish tips. Long yellow or orange hairs are present on the bottom. A dorsal dark stripe more or less distinct extends from the head to the base of the tail. The ventral parts are whitish, with…