Little greenbul
The little greenbul ("Eurillas virens") is a species of the bulbul family of passerine birds. It is found in many parts of sub-Saharan Africa. Taxonomy and systematics. The little greenbul was originally described in the genus "Andropadus" and was re-classified to the genus "Eurillas" in 2010. Alternatively, some authorities classify the little greenbul in the genus "Pycnonotus". Subspecies. Five subspecies are recognized: Description. The little greenbul is a small bird reaching a total length of about 187 mm, with wings of about 80 mm and tail of about 77 mm. The upper tail and wings are  brown, while breast and flanks are pale greyish-greenish (hence the Latin name "virens" of this species, meaning «green»). The bill is brown, the iris is brown and the feet are light yellow-brown. Distribution and habitat. The little greenbul is found in western, central and eastern Africa. Its natural habitats are subtropical or tropical dry forests, subtropical or tropical moist lowland forests, and moist savanna. Behaviour and ecology. The little greenbul was the subject of a study regarding the impact of ecotones on biodiversity.