Sassi's olive greenbul (''Phyllastrephus lorenzi'') is a

songbird A songbird is a bird belonging to the suborder Passeri of the perching birds (Passeriformes). Another name that is sometimes seen as the scientific or vernacular name is Oscines, from Latin ''oscen'', "songbird". The Passeriformes contains 5,00 ...

in the

bulbul The bulbuls are members of a family, Pycnonotidae, of medium-sized passerine songbirds, which also includes greenbuls, brownbuls, leafloves, and bristlebills. The family is distributed across most of Africa and into the Middle East, tropic ...

family,

Pycnonotidae The bulbuls are members of a family (biology), family, Pycnonotidae, of medium-sized perching bird, passerine songbirds, which also includes greenbuls, brownbuls, leafloves, and bristlebills. The family is distributed across most of Africa and in ...

. It is found in north-eastern and eastern Democratic Republic of the Congo and Uganda. Its natural

habitat In ecology, habitat refers to the array of resources, biotic factors that are present in an area, such as to support the survival and reproduction of a particular species. A species' habitat can be seen as the physical manifestation of its ...

s are

subtropical or tropical moist lowland forest Tropical and subtropical moist broadleaf forests (TSMF), also known as tropical moist forest, is a subtropical and tropical forest habitat type defined by the World Wide Fund for Nature (WWF). Description TSMF is generally found in large ...

and subtropical or tropical moist

montane forest Montane ecosystems are found on the slopes of mountains. The alpine climate in these regions strongly affects the ecosystem because temperatures lapse rate, fall as elevation increases, causing the ecosystem to stratify. This stratification is ...

. While it was formerly assessed as

Near threatened A near-threatened species is a species which has been Conservation status, categorized as "Near Threatened" (NT) by the International Union for Conservation of Nature (IUCN) as that may be vulnerable to Endangered species, endangerment in the ne ...

and its population is decreasing due to

habitat loss Habitat destruction (also termed habitat loss or habitat reduction) occurs when a natural habitat is no longer able to support its native species. The organisms once living there have either moved elsewhere, or are dead, leading to a decrease ...

, it is now considered a species of

Least concern A least-concern species is a species that has been evaluated and categorized by the International Union for Conservation of Nature (IUCN) as not being a focus of wildlife conservation because the specific species is still plentiful in the wil ...

by the

IUCN The International Union for Conservation of Nature (IUCN) is an international organization working in the field of nature conservation and sustainable use of natural resources. Founded in 1948, IUCN has become the global authority on the status ...

Taxonomy and systematics

Formerly, some authorities considered Sassi's olive greenbul to be a

subspecies In Taxonomy (biology), biological classification, subspecies (: subspecies) is a rank below species, used for populations that live in different areas and vary in size, shape, or other physical characteristics (Morphology (biology), morpholog ...

of the

icterine greenbul The icterine greenbul (''Phyllastrephus icterinus'') is a species of songbird in the bulbul family, Pycnonotidae. It is native to the African tropical rainforest. Taxonomy and systematics The icterine greenbul was originally described in the ge ...

. The scientific name commemorates the Austrian zoologist

Ludwig Lorenz von Liburnau Ludwig Lorenz von Liburnau (26 August 1856 in Fiume – 9 December 1943 in St. Gilgen) was an Austrian zoologist. He was the son of naturalist Josef Roman Lorenz von Liburnau (1825–1911). In 1879 he obtained his PhD from the University of Vienn ...

. Alternate names for Sassi's olive greenbul include Lorenz's greenbul, Sassi's bulbul and Sassi's greenbul.

References

Sassi's olive greenbul Birds of Central Africa Sassi's olive greenbul Taxonomy articles created by Polbot {{Pycnonotidae-stub