The rodents have been tested for several diseases.
The beavers are currently housed in a lodge to make sure the aren't carrying anything which is harmful to humans.
The group were the first to be discovered in this country for centuries and it's still unclear where they came from.
They are being monitored by the Devon Wildlife Trust.
Burglar jailed for daylight break-ins
Cash and jewellery stolen
Boardmasters launch main stage competition
Could you be playing?
Exeter child sex offender jailed
Eddie Howard sentence to over four years
Torbay Blue Flag opt-out ‘risks huge tourism damage’
But supporters say quitting the scheme was the right choice
Martin Clunes to open horse festival at Devon County Show
Heavy Horse Festival begins next Thursday
Hopes for extra nurses in Devon with apprenticeships opportunity
Devon to get share of £65 million being spent nationally
