Common chiffchaff obvious wing bars; they include the willow, Bonelli's, wood and plain leaf warblers. The common chiffchaff has three still commonly accepted subspecies, together with some from the Iberian Peninsula, the Canary Islands, and the Caucasus which are now more often treated as full species. The common chiffchaff's English name is onomatopoeic, referring to the repetitive "chiff-chaff" song of the European subspecies. There are similar names in some other European languages, such as the Dutch "Tjiftjaf", the German "Zilpzalp" and Welsh "siff-saff". The binomial name is of Greek origin; "Phylloscopus" comes from "phyllon"/φυλλον, "leaf", and "skopeo"/σκοπεω, "to look at" or "to
A Photographic Guide to the Birds of Indonesia Berkeley Books Pte Ltd. The second edition involved a total revamp of the material; a new checklist was used on the basis of "The Clements Checklist of Birds of the World 6th Edition" from 2007. This list has 1,605 bird species for Indonesia, while the 1992 list had 1,534. It also uses the ‘buntings last’ sequence which means that the Indonesian book now uses the same sequence as the companion volume "A Photographic Guide to the Birds of Southeast Asia". However, while "Southeast Asia" came out in 2012 with just a new cover and imprint, "Indonesia" came out that year