Western Olivaceous Warbler
NameWestern Olivaceous Warbler
Common NameWestern Olivaceous Warbler
Scientific NameHippolais opaca
FamilyAcrocephalidae
Wingspan (cm)21.5
Length (cm)14
Weight (g)12.5
Plumage DetailsUpperparts are uniformly dull brownish-grey or olive-brown, contrasting slightly with paler, off-white to pale buffish underparts. It has a faint pale supercilium, a dark eye, and a relatively stout bill with a pale base to the lower mandible. Legs are greyish.
Vocalization / CallIts song is a rapid, varied, and often harsh babbling, incorporating mimicry. Calls include a harsh 'churr' or 'tack' sound.
Primary Dietomnivore
Primary Habitatsforest, urban
Conservation Statusleast-concern
Geographic RangeBreeds in the Iberian Peninsula and Northwest Africa, migrating to sub-Saharan Africa for the non-breeding season, ranging from Senegal east to Sudan and south to Kenya.
Identifying FeaturesPlain brownish-grey plumage, Stout bill with pale lower mandible base, Active foraging with tail flicking, Babbling, harsh song
Description
The Western Olivaceous Warbler is a medium-sized, plain warbler with dull brownish-grey upperparts and paler underparts. It is an active bird, often seen foraging in the canopy of trees and bushes, frequently flicking its tail.
