Wood Warbler (Phylloscopus sibilatrix)

Wood Warbler (Phylloscopus sibilatrix)

Observation - Wood Warbler (Phylloscopus sibilatrix) - UK and Ireland. Description: Not the best photo - a very timid bird. The small yellow patch on the shoulder suggests Wood Warbler to me. Am I right?

Not the best photo - a very timid bird. The small yellow patch on the shoulder suggests Wood Warbler to me. Am I right?