The Skomer Vole (Myodes glareolus skomerensis) is a subspecies of bank vole endemic to the island of Skomer, Pembrokeshire, United Kingdom. The Skomer vole has probably been introduced by man since the last ice age. It is one of four mammals on the Skomer islands. There are approximately 20,000 voles on the island. The voles' main predators are owls. However, Common Kestrel, Common Buzzard and the Peregrine Falcon are also its predators. The voles are short lived and survive around 18 months at best. At their largest they are roughly 12 centimetres (4.7 in) long and weigh a maximum of 40 grams (1.4 oz).
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