Barn Owl pellets and 'whitewash' (droppings) (M.O'Clery).
This metal shed in a remote area of Co. Kerry has a long history of visits by Barn Owls. The line of white in the picture is under one of the beams in the shed where one or more Barn Owls have roosted. The accumulation of pellets and droppings tells us this site has been used by the owls for a considerable time, possible several years. It is rare indeed to see such an accumulation. There must surely be a nest somewhere nearby...