chiffchaff ?

chiffchaff ?

Observation - chiffchaff ? - UK and Ireland. Description: Feeding on aphids in small clump of riverside reeds but not a reed bed. Tail-bobbing by the immature (right photo) only - suggests it is a Chiffchaff.

Feeding on aphids in small clump of riverside reeds but not a reed bed.

Tail-bobbing by the immature (right photo) only - suggests it is a Chiffchaff.