Guardian: Alcathoe’s bat: has defied experts predictions by crossing the Channel. Photograph: PA A bat the size of a thumbprint has been found for the first time in Britain, after crossing the Channel in defiance of experts’ predictions. Alcathoe’s bat is the smallest of Europe’s whiskered bats and the most recently discovered. It was identified as a separate species in Greece only in 2001, after tests on the frequency of its radar call, which is used by all bats to navigate and catch …