Small mammals include forest dormouse, and wood mouse. The upperparts are brownish-grey, - a rather more brown shade than the wood mouse. Also recorded are wood mouse and the yellow-necked mouse. The wood mouse "Apodemus sylvaticus" possesses spermatozoa with falciform morphology. The montane wood mouse has a widespread distribution across tropical Central Africa. The common genet and wood mouse share the same habitats and niches, specifically Mediterranean forests. During the building of the sand dike, the island was colonized by the wood mouse. Mistle thrush, Song thrush, Blackbird, and House sparrow, Common shrew, Wood mouse, and Brown rat. A multitude of fungi, rare insects, birds and elusive woodland mammals including the wood mouse. The wood mouse is also found in northwestern Africa and on many Mediterranean islands. At Christmas, they send the heroic little wood mouse a quantity of rabbit-wool. The wood mouse ("Apodemus sylvaticus") is a murid rodent native to Europe and northwestern Africa.