Common chiffchaff and generally pale legs. Bonelli's warbler ("P. bonelli)" might be confused with the common chiffchaff subspecies "tristis", but it has a plain face and green in the wings. The common chiffchaff also has rounded wings in flight, and a diagnostic tail movement consisting of a dip, then sidewards wag, that distinguishes it from other "Phylloscopus" warblers and gives rise to the name "tailwagger" in India. Perhaps the greatest challenge is distinguishing non-singing birds of the nominate subspecies from Iberian chiffchaff in the field. In Great Britain and the Netherlands, all accepted records of vagrant Iberian chiffchaffs relate to singing males.
Canary Islands chiffchaff the nest is a spherical structure with a side entrance and is place near the ground in coastal scrub but higher (8m plus) up in the laurisilva. The clutch is 2-5 eggs and most pairs are triple brooded. When not breeding they are more sociable in the autumn and the winter when it forms small flocks. The post-breeding moult is usually completed by late July. The Canary Islands chiffchaff spends much of its time foraging for its insect food among foliage from ground level up to the tree canopy, although it will also sometimes hover glean and fly catch.It is