mystery bird

mystery bird

Observation - mystery bird - UK and Ireland. Description: Saw this bird sitting by my bird feeder yesterday evening. During the day this feeder is constantly occupied by goldfinches so at first thought it might be a fledgling. On closer inspection (it let me walk right up to it) I could see that it was dark brow

Saw this bird sitting by my bird feeder yesterday evening. During the day this feeder is constantly occupied by goldfinches so at first thought it might be a fledgling. On closer inspection (it let me walk right up to it) I could see that it was dark brown and a bit ruffled. As I couldn't see it's eye colour and because it didn't fly away i thought it might be blind but i think it just had its eye shut. I also noticed it had been ringed. Apologies for the poor photo but only had mobile phone to hand before it flew away. Any suggestions on what this could be?