Iberian chiffchaff Previously the Iberian chiffchaff was considered as a subspecies of the common chiffchaff. As of 2016, it is recognised as a separate species under the name "Phylloscopus ibericus" for the following reasons (compared to the common chiffchaff): In past, erroneously listed as "Phylloscopus brehmii". Iberian chiffchaff The Iberian chiffchaff ("Phylloscopus ibericus") is a species of leaf warbler endemic to Portugal, Spain and North Africa, west of a line stretching roughly from the western Pyrenees via the mountains of central Spain to the Mediterranean. The name "chiffchaff" is onomatopoeic, referring to the repetitive "chiff-chaff" song of the common chiffchaff ("Phylloscopus collybita").
Canary Islands chiffchaff and a longer tail. Its underparts have a brownish-buff tone, especially on the flanks and breast, and the upperparts are darker brown than the common chiffchaff. Many calls are similar to the common chiffchaff but the song lacks the metronomic quality of that species and is harsher, shorter and more varied and with a faster delivery. The Canary Islands chiffchaff occurs in most habitats from coastal gardens to high altitude vegetation but is absent from semi-desert scrub at lower altitudes. In the breeding period, January to June, the Canary Islands chiffchaff is territorial and is found singly or in pairs,