Early spring sightings show colourful insect is a resident species for first time in decades, says conservation charity The large tortoiseshell – an elusive and enigmatic butterfly that became extinct in Britain in the last century – is a UK resident species once again, with a flurry of early spring sightings. Britain’s list of native butterflies has increased to 60 with the return of the insect after individuals emerged from hibernation in woodlands in Kent, Sussex, Hampshire, Dorset, Cornwall and the Isle of Wight. Continue reading...