The small, shaggy-furred whiskered bat roosts in all sorts of houses, old or modern. It is similar to the Brandt's bat and they often roost together, but in separate colonies. It feeds along…

The St Mark's fly is small, black and shiny. It is so-called because it emerges around St Mark's Day, April 25th. Large numbers of adults can be found in woodland edges, hedgerows,…

Guillemots really know how to live life on the edge – quite literally! They nest tightly packed on steep ledges and cliffs around the coast. This may sound like a strange nesting spot, but it…