Greater Horseshoe Bat
This is a large bat, with head-and-body length 60 to 70mm and weighing between 15 and 34gm; specimens have been known to live for 30 years. You may see greater horseshoe bats in South Wales, but they are not at all common - in fact experts believe that numbers of this species in the British Isles declined by about 90% during the twentieth century.
The common name for this bat comes from the horseshoe shaped plate of skin around its nostrils. For a front-on view of the horseshoe feature see our Lesser Horseshoe Bat page.
Habitat and flight
These are very much troglodyte bats: their winter roosts are in caves, cellars and tunnels. They hibernate from the end of September until April, although males, which are smaller than females and therefore perhaps more affected by temperature change, may move roost site more than once during a winter.
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