Anguis fragilis is a reptile native to Eurasia. The only reptiles on the island are slowworms ("Anguis fragilis"). The island is also home to slowworms ("Anguis fragilis"). Slowworms ("Anguis fragilis") have been present around Great Popplestone Bay on Bryher since the 1960s. It is also home to slowworms ("Anguis fragilis") with larger than usual blue markings.