They are normally only active from about June to late October. For the remaining months they will hibernate, usually underground or in roof spaces. Although sightings are reported during daylight, Glis glis are largely nocturnal and most customers report scratching noises coming from their attic or wall cavities.
How long do Glis glis hibernate for?
The most common indication that you have a problem with Glis glis is noise. They hibernate for around seven months of the year but when they are awake they are very active (between June and November).
How do you stop Glis glis?
The most effective method of pest control for glis glis is to prevent them gaining access to your home to begin with, the two most important steps to achieve this are: Remove overhanging tree branches and climbing plants. Seal any holes in the structure with mortar or wire mesh.