Glis Glis are active during a six-month period before going in to hibernation from roughly October to May, depending on local climate conditions. They are mostly active in the summer months. Glis Glis are nocturnal (active between dusk and dawn), so it is often difficult to see them.

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.

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).