The report commissioned by the Broads Authority (BA) has warned mammals living in the protected wetlands are causing "high levels of damage" by grazing wetland plants and eating farmers' crops.

Experts used thermal imaging to track the movements of the deer, which are estimated to number nearly 4,500 in the Broads according to the latest survey.

Deer tracks mapped through thermal imagery cameras at Calthorpe Broad (Image: Broads Authority)

A Broads Authority spokesman said: "While many people are happy to spot deer on their visits to the Broads, the negative impacts have reportedly increased.

"The findings highlight significant negative effects, particularly on fen........

© Norwich Evening News