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.
Devon voters go to the polls
A third of Plymouth City Council seats are up for grabs
Clyst valley park could double in size
Residents will have their say
Multiple arrests made in Exmouth
Patrols stepped up to tackle big issues
Devoncast - Exeter Pride, Torbay tourism and Tavistock trains
Devoncast features the latest news and views from around Devon
Sid Valley Radio joins East Devon broadcast bid
New digital stations planned for East Devon
