The large tortoiseshell butterfly, a species which became extinct as a breeding species in Britain during the 1960s, has been found on the National Trust's Sheringham Park site in Norfolk. In the past few decades, there have been an increasing number of sightings of vagrant butterflies in southern England.
Last year, breeding success was also confirmed on Portland in Dorset. It is not certain whether this population established as a result of natural immigration or deliberate releases, or a combination of these factors.
Information about the Norfolk breeding can be found here:
Long-lost butterfly reappears in Norfolk - BirdGuides
Information about the Dorset breeding can be found here:
Large Tortoiseshells – exciting news from Portland
Last year, breeding success was also confirmed on Portland in Dorset. It is not certain whether this population established as a result of natural immigration or deliberate releases, or a combination of these factors.
Information about the Norfolk breeding can be found here:
Long-lost butterfly reappears in Norfolk - BirdGuides
Information about the Dorset breeding can be found here:
Large Tortoiseshells – exciting news from Portland