Quirk of Nature?

Quirk of Nature?

Observation - Quirk of Nature? - UK and Ireland. Description: Please look closely at its beak! I think the bird is a Reed Warbler but open to suggestions on its identity. The photo has not been modified apart from cropping, your thoughts please.

Please look closely at its beak! I think the bird is a Reed Warbler but open to suggestions on its identity. The photo has not been modified apart from cropping, your thoughts please.