Slender-billed greenbul

{{Short description|Species of bird}}

{{speciesbox

| image = Slender-billedGreenbul.jpg

| image_caption = In Maasai Mara, Kenya

| status = LC

| status_system = IUCN3.1

| status_ref = {{cite iucn |author=BirdLife International |date=2016 |title=Stelgidillas gracilirostris |volume=2016 |page=e.T22712791A94349139 |doi=10.2305/IUCN.UK.2016-3.RLTS.T22712791A94349139.en |access-date=15 November 2021}}

| genus = Stelgidillas

| parent_authority = Oberholser, 1899

| species = gracilirostris

| authority = (Strickland, 1844)

| range_map = Stelgidillas gracilirostris distribution map.png

| synonyms = * Andropadus gracilirostris

  • Pycnonotus gracilirostri
  • Pycnonotus gracilirostris

}}

The slender-billed greenbul (Stelgidillas gracilirostris) is a species in the monotypic genus Stelgidillas of the bulbul family of passerine birds. It is found in western and central Africa. Its natural habitats are subtropical or tropical dry forest, subtropical or tropical moist lowland forest, and subtropical or tropical moist montane forest.

Taxonomy and systematics

The slender-billed greenbul was formally described in 1844 by the English naturalist Hugh Edwin Strickland under the binomial name Andropadus gracilirostris from a specimen collected on the island of Fernando Pó (now Bioko) off the west coast of Africa.{{ cite journal | last=Strickland | first=Hugh Edwin | author-link=Hugh Edwin Strickland | year=1844 | title=Description of some new species of Birds brought by Mr. L. Fraser from Western Africa | journal=Proceedings of the Zoological Society of London | volume=Part 12 | issue=136 | pages=99–102 [101] | url=https://www.biodiversitylibrary.org/page/12862395 }}

A molecular phylogenetic study of the bulbuls published in 2007 found that Andropadus was non-monophyletic.{{Cite journal | last1=Johansson | first1=U.S. | last2=Fjeldså | first2=J. | last3=Lokugalappatti | first3=L.G.S. | last4=Bowie | first4=R.C.K. | date=2007 | title=A nuclear DNA phylogeny and proposed taxonomic revision of African greenbuls (Aves, Passeriformes, Pycnonotidae) | journal=Zoologica Scripta | volume=36 | issue=5 | pages=417–427 | doi=10.1111/j.1463-6409.2007.00290.x| s2cid=84799480 }} In the subsequent rearrangement to create monophyletic genera, the slender-billed greenbul was moved to the genus Stelgidillas that had been introduced by Harry C. Oberholser in 1899.{{ cite journal | last=Oberholser | first=Harry C. | author-link=Harry C. Oberholser | year=1899 | title=A list of birds collected by Mr R. P. Currie in Liberia | journal=Proceedings of the United States National Museum | volume=22 | issue=1182 | pages=25–37 [30] | doi=10.5479/si.00963801.22-1182.25 | url=https://www.biodiversitylibrary.org/page/32020715 }}{{Cite web|url=http://www.worldbirdnames.org/updates/archives/taxonomy-version-2/|title=Taxonomy Version 2 « IOC World Bird List|website=www.worldbirdnames.org|language=en-US|access-date=2017-04-06}}

=Former species=

Formerly, some authorities also considered the following species (or subspecies) as species within the genus Stelgidillas:

  • Toro olive greenbul (as Stelgidillas hypochloris){{Cite web|url=http://avibase.bsc-eoc.org/species.jsp?avibaseid=2E3D5AAFC02172C6|title=Phyllastrephus hypochloris - Avibase|website=avibase.bsc-eoc.org|access-date=2017-04-23}}

=Subspecies=

Two subspecies of the slender-billed greenbul are recognized:{{Cite web|url=http://www.worldbirdnames.org/bow/bulbuls/|title=Bulbuls « IOC World Bird List|website=www.worldbirdnames.org|language=en-US|access-date=2017-04-03}}

  • Congo slender-billed greenbul (S. g. gracilirostris) - Strickland, 1844 — from Senegal and Guinea-Bissau to southern Sudan, western Kenya, western Tanzania, south-central Democratic Republic Congo and north-western Angola
  • Kikuyu slender-billed greenbul (S. g. percivali) - (Neumann, 1903) — central Kenya

References