Dippers on the Erme at Harford

Watched a pair of dippers gathering nest material along the edge of the river lunchtime, including this ringed bird - white blue colour rings on right tarsus, black colour ring above silver BTO ring on the left. Does anyone have information on this bird?

Ringed dipper with nest material, River Erme at Harford 23/3/18
Ringed dipper with nest material, River Erme at Harford 23/3/18

Posted March 23rd, 2018 at 2:18 pm by Richard Archer in Bird News