Western Bonelli's Warbler
NameWestern Bonelli's Warbler
Common NameWestern Bonelli's Warbler
Scientific NamePhylloscopus bonelli
FamilyPhylloscopidae
Wingspan (cm)20
Length (cm)11.5
Weight (g)8
Plumage DetailsUpperparts are uniformly olive-grey, contrasting sharply with pure white underparts. It has a faint pale supercilium, a dark eye, and pale pinkish-brown legs. The rump and outer tail feathers often show a subtle yellowish tinge, and the wing edges can also appear yellowish.
Vocalization / CallThe song is a distinctive, rapid, accelerating trill, often described as 'chip-chip-chip-chip-chichichichichichi-chichichi'. Its call is a soft, short 'hoo-eet' or 'chup'.
Primary Dietinsectivore
Primary Habitatsforest, mountain
Conservation Statusleast-concern
Geographic RangeBreeds across southwestern Europe, including the Iberian Peninsula, France, Italy, and parts of North Africa. It migrates south to sub-Saharan Africa for the winter months.
Identifying FeaturesPlain olive-grey upperparts, Clean white underparts, Subtle yellowish rump and wing edges, Pale pinkish-brown legs, Faint pale supercilium, Rapid, accelerating trilling song
Description
This small, active warbler is characterized by its plain olive-grey upperparts and strikingly clean white underparts. It typically forages in the canopy of deciduous and mixed woodlands, often flicking its wings and tail as it moves through the foliage.
