Blue Tit at ringing session

Blue Tit at ringing session

Observation - Blue Tit at ringing session. Description: Wing feathers of Blue Tit being investigated to determine age during bird ringing demonstration at Billingham Beck Country Park. The RSPB Saltholme Phoenix Group.

Wing feathers of Blue Tit being investigated to determine age during bird ringing demonstration at Billingham Beck Country Park. The RSPB Saltholme Phoenix Group.