About Microtus agrestis (Linnaeus, 1761)
Common Name and General Appearance
Microtus agrestis, commonly called the short-tailed field vole, is a small, dark brown rodent with a short tail.
Similar Species Distinction
It can be told apart from its close relative the common vole (Microtus arvalis) by its darker, longer, shaggier fur and more densely furred ears.
Body and Tail Length
The head and body length of this species ranges from 8 to 13 centimetres (3.1 to 5.1 in), while the tail measures 3 to 4 centimetres (1.2 to 1.6 in).
Adult Weight
Adults weigh between 20 and 50 grams (0.71 to 1.76 oz).
Vocalizations
Its vocalizations include a faint, low squeak, plus a variety of chattering sounds.
Distribution Region
The short-tailed field vole has a Palearctic distribution.
Extent of Range
Its range covers most of Western Europe, extending east to Lake Baikal in Siberia and northwest China, and north to Norway, Sweden, and Finland.
Range Gaps and Sparser Populations
It is not present in Iceland, and its population becomes sparser further south toward the Mediterranean Sea.
Presence in Ireland
Though it was not found in Ireland before 2022, it was detected there that year.
Habitat Types
This vole occupies a wide range of habitats, including meadows, field borders, plantations, woodland verges, clearings, upland heaths, dunes, marshes, bogs, and river banks.
Habitat Preferences and Altitude Range
It generally prefers wetter areas, and can be found at altitudes up to roughly 1,700 metres (5,600 ft).