Copper Underwing Roost

Copper Underwing Roost

Observation - Copper Underwing Roost . Description: During our annual inspection of bat boxes, we found this one (Schwegler Woodcrete) with what looks to me to be at least 15 Copper Underwings. At least two had flown before I took the photograph, so originally there was 15 to 20 of the things. I had no

During our annual inspection of bat boxes, we found this one (Schwegler Woodcrete) with what looks to me to be at least 15 Copper Underwings. At least two had flown before I took the photograph, so originally there was 15 to 20 of the things.

I had not realised that Copper Underwings used communal roosts like this!