Dunnock with enlargement under beak

Dunnock with enlargement under beak

Observation - Dunnock with enlargement under beak - UK and Ireland. Description: I noticed this enlargement under the beak of this Dunnock and wondered if anyone would know of a reason for this. Its not the crop, as this is lower down. Could it be infection from something lodged in the beak? I didn't intend to show Dunnocks two days i

I noticed this enlargement under the beak of this Dunnock and wondered if anyone would know of a reason for this. Its not the crop, as this is lower down. Could it be infection from something lodged in the beak? I didn't intend to show Dunnocks two days in a row, but this one is interesting.