Archie Ruggles-Brise at the gate to one of the beaver enclosures on his Spains Hall Estate, in Braintree, Essex. Picture: Neil Michael They had not emptied as they would be expected to and ...

However, Sarah Brockless, principal ecologist at the Spains Hall Estate in Finchingfield, said many things needed to be considered before beavers were released and they should be reintroduced ...