Powick, Worcestershire, UK, February 2015. Photos Andy Warr

© A. Warr

Two Siberian Chiffchaffs, left-hand individual displaying 'fulvescens' traits

Both individuals plate above show the characteristic 'brown and buff' hues of Siberian Chiffchaff but note the presence of
distinct yellow tinge in upper eye-ring of the Powick individual (and evident yellowish-olive fringes in the visible 'shoulder' area).