Dryomys nitedula
| Forest dormouse | |
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| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Order: | Rodentia |
| Family: | Gliridae |
| Genus: | Dryomys |
| Species: | D. nitedula |
| Binomial name | |
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Dryomys nitedula Pallas, 1778 |
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The forest dormouse (Dryomys nitedula) is a species of rodent in the family Gliridae found in eastern Europe, the Balkans and parts of western Central Asia. It is categorized as being of least concern in the IUCN List of Threatened Species due to its wide range and stable population trend. Forest dormice have a diploid count (2n) of 48 chromosomes. Even though this species lives in a variety of geographic locations, its greatest population density is in the forests of central Moldova, in Transcaucasia, in the mountains of Central Asia. In most other locations, population density of this species is rather low. Population density is dependent on many factors. But the main features that this species depends on for choosing a location are the presence of the appropriate food sources as well as good foliage that can be used for a habitat. The reason why the forests in central Moldova have the highest population density is they provide the largest diversity of food sources which are available throughout the year. This location also provides the best type of foliage for the forest dormice to build their nests as well as swing from branches. The combination of both of these aspects allows for this species to have its highest needs met. Therefore, during mating season they produce offspring who also stay in the same general area when they mature. It makes sense not to move from an area if it is providing for your most basic needs.
The common name for Eliomys is the garden dormouse. Dryomys are often compared to Eliomys as they have many similarities. However, Dryomys is smaller in size. Two more differences between the two are the braincase for Dryomys is more rounded and the auditory bullae is smaller than that of Eliomys. In addition, their tails are slightly different. The Dryomys's tail is more uniform in color than that of Eliomys. The forest dormouse competes in artificial and natural nests with hazel dormice, fat dormice, and birds. Its biggest competitors are those species which eat similar types of food and who live in the same kind of habitat.
Its appearance is squirrel-like. On average, the forest dormouse is 110 mm long with a fluffy grey tail nearly as long as its body. The head and body length can range from 80 mm to 130 mm, while the length of the tail can range from 60 mm to 113 mm. The range of its body mass is between 18 grams and 34 grams. The fur on the upper parts of the body is grayish-brown while the underparts are yellowish-white. A black stripe surrounds the eye and extends to the small ear. The whiskers form a bushy tuft about 10mm long. There are six pads on each paw. It has bilateral symmetry and is endothermic.
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