Yankari shrew
The Yankari Shrew ( Crocidura yankariensis ) is an African shrew from the kind of white tooth shrew ( Crocidura ). The species name refers to the Yankari National Park in north- eastern Nigeria, where the Hungarian zoologist Andres Demeter in 1978 the holotype found.
Features
The Yankari Shrew reached a total length of 52-66 mm, a tail length of 35-41 mm, a Hinterfußlänge 9-10 mm, an ear length of 6 to 8 mm, a length of skull 18.4 to 19.5 mm and a Skull width 8.2 to 8.5 mm. The entire length of the upper tooth row from the first incisor to the third molar is an average of 8.2 mm. A weighted specimen weighed 4.5 g The coat is short and covered with 2 to 3 mm long hair. The back is olive brown skin, with the hair base gray and the hair tips are brown. The peritoneum is smoke gray or grauoliv. The color of the back and the peritoneum passes into each other without distinction. The muzzle is covered from tip of nose to the eyes with fine hairs and has no long vibrissae. The long ears are covered with short fine hairs. There are stiff bristles on the inner folds. The front and hind feet are white. Unlike similar shrew species of the lower portion of the hind limb has no brown hair. The tail length is 67 percent of the total length. The tail is bi-colored, brown on the top and white at the bottom. The hair is almost 100 percent. In Ethiopia, a copy was discovered, in which the coat on his back deep reddish brown and the peritoneum was light gray. The skull profile tilts to the front slowly upwards and is angled at the back of sharply down. The karyotype is 2n = 68, FN = 122 The number of teats is unknown.
Distribution area
The Yankari Shrew has a fragmented distribution area, the Nigeria, Cameroon, Sudan, Ethiopia, Somalia and Kenya covers.
Habitat and behavior
The Yankari Shrew inhabits mainly the dry savannah. A copy from Ethiopia was discovered among the bushes and boulders in the humid savanna that during the rainy season is usually water- soaked. Little is known about their way of life.
Status
The Yankari Shrew is by the IUCN as " not at risk " ( least concern ) classified. It has a wide area of distribution and threats are not currently known. Information about their frequency and their holdings are not available, however.