Kingdom Animalia
Phylum Chordata
Class Mammalia
Order Rodentia
Family Muridae
Genus Apodemus
Species sylvaticus
Classification Linnaeus, 1758
Common name long-tailed field mouse
Size body: 6 - 15 centimeters; tail: 7 - 14 centimeters

Geographic Range it is found throughout Europe, except northern Scandinavia and Finland, east to the Altai and Himalayan mountains. It is also found in parts of central and southwestern Asia, Himalayas, northwestern Africa, British Isles.
Physical Characteristics fur is soft, and the tail is only moderately hairy. The dorsal area is grayish brown, with yellow or red mixed in. The underparts are white or light grey, often with an oblog yellow spot on the throat. The feet are white. The tail is not prehensile. Eyes and ears are big, and they allow a good vision at night and predator avoidance. The sense of smell is highly developed.
Behaviour it is a very good climber, jumper, and swimmer. It is nocturnal or crepuscular. Males normally live in an area of approximately 109 meters in diameter, while females inhabit an area of 64 meters in diameter. It builds burrows and tunnel systems below ground. These burrows are typically about 3 centimeters wide and 8-18 centimeters below the surface.
Habitat it lives anywhere it can find shelter, even if it prefers grassy fields, cultivated areas and forests. It may move into human habitations in the fall and winter but usually digs deep burrows and builds a nest of shredded grass and leaves at the end of a tunnel.
Food habits it feeds on roots, seeds, berries, nuts, grasses, insects.
Reproduction the breeding season is from March through early winter. Females produce up to four litters annually, with four to seven young each litter . The gestation period is of 21-26 days. The young are born with a thin coat af dark fur and open their eyes after 13 days.

References Ivaldi, F. 1999. "Apodemus sylvaticus" (On-line), Animal Diversity Web
Web References http://animaldiversity.ummz.umich.edu/
Source of the photo http://ddd.cirbus.com/
Pawprint images source http://www.regione.emilia-romagna.it/parchi/

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