The Field Mouse
The field mouse is a small rodent which can be found in the countryside and in mountains up to 2,500 m. high. Like the common mouse, it lives mainly in the dark. Its diet is very varied, and includes young plants, seeds, caterpillars, centipedes, snails, etc..
The field mouse is a small rodent very similar to the mouse. Its body measures from 9.5cms. to 11cms. in length and it weighs between 15 and 30 grammes. Its tail varies in length between 0.69cms. and 11cms.. It is made up of between 130 and 180 annuli depending on the sex and the age.
This little nocturnal creature is abundant in the countryside. Its preferred habitat is in cultivated fields and in bushes on the plains, but it can also be found in mountains up to 2,500 m. high.
A rodent of the Muridea family, it ressembles the mouse, but has smaller ears and bigger hind legs. Its skin is greeny-brown on top, yellow-brown on the sides, and whitish underneath.
Juvenile field mice are less red in colour than adults, and are greeny-brown on top and whitish-grey underneath. They have a short lifespan, as adults rarely survive winter. It has a varied diet, feeding on what it finds in its surroundings. It eats seeds, fruit and berries, the roots and branches of young plants, as well as all sorts of insects (centipedes, caterpillars) and snails. Its spends the night looking for food, and rests during the day in a nest of leaves and grass, whose depth depends on the temperature outside.
It reproduces between March and October, with most births taking place in summer. The gestation period lasts between 19 and 20 days. The number of births ranges between 1 and 4, depending on the climate and the number in the litter is between 4 and 7 babies. Only the mother looks after the babies in the burrow. Babies are born hairless and blind and are severed after 20 days on average, at whoch time the babies should be able to look after themselves. Depending on how early in the year they are born, the babies may reproduce the same year. Those born late reproduce the following year. The mortality rate is very high in spring and in summer.