Chiffchaff 
Phylloscopus collybita 
Markedly clinal in northern Palearctic 
populations that are most highly migratory. 
Only western Palearctic subspecies collybita 
and abietinus (England and France to Russia 
and Caucasus) migrate to eastern Mediterran¬ 
ean . 
Habitat: Undergrowth in copses, woods, and 
heavy forest both deciduous and conifers 
as well as scrub beyond the tree limit. 
