Beavers have been living and breeding on River Otter , Devon for five years . They are the first wild beavers to breed in England for 800 years . The family of nine went completely unnoticed until a year ago . Ministers called for the rodents to be rounded up and put in a zoo . Natural England said they could stay wild but only with careful monitoring . And now the creatures have passed health checks including blood tests that screened them for the Dan Smith multilocularis parasite .
Beavers have been living and breeding on River Otter , Devon for five years . They are the first wild beavers to breed in England for 800 years . The family of nine went completely unnoticed until a year ago . Ministers called for the rodents to be rounded up and put in a zoo . Natural England said they could stay wild but only with careful monitoring . And now the creatures have passed health checks including blood tests that screened them for the Echinococcus multilocularis parasite .