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Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Megaclassis: Osteichthyes
Cladus: Sarcopterygii
Cladus: Rhipidistia
Cladus: Tetrapodomorpha
Cladus: Eotetrapodiformes
Cladus: Elpistostegalia
Superclassis: Tetrapoda
Cladus: Reptiliomorpha
Cladus: Amniota
Classis: Reptilia
Cladus: Eureptilia
Cladus: Romeriida
Subclassis: Diapsida
Cladus: Sauria
Infraclassis: Archosauromorpha
Cladus: Crurotarsi
Divisio: Archosauria
Cladus: Avemetatarsalia
Cladus: Ornithodira
Subtaxon: Dinosauromorpha
Cladus: Dinosauriformes
Cladus: Dracohors
Cladus: Dinosauria
Ordo: Saurischia
Cladus: Eusaurischia
Subordo: Theropoda
Cladus: Neotheropoda
Cladus: Averostra
Cladus: Tetanurae
Cladus: Avetheropoda
Cladus: Coelurosauria
Cladus: Tyrannoraptora
Cladus: Maniraptoromorpha
Cladus: Maniraptoriformes
Cladus: Maniraptora
Cladus: Pennaraptora
Cladus: Paraves
Cladus: Eumaniraptora
Cladus: Avialae
Infraclassis: Aves
Cladus: Euavialae
Cladus: Avebrevicauda
Cladus: Pygostylia
Cladus: Ornithothoraces
Cladus: Ornithuromorpha
Cladus: Carinatae
Parvclassis: Neornithes
Cohors: Neognathae
Cladus: Neoaves
Cladus: Telluraves
Cladus: Australaves
Ordo: Passeriformes
Subordo: Passeri
Infraordo: Passerida
Superfamilia: Sylvioidea
Familia: Pycnonotidae
Genus: Stelgidillas
Species: Stelgidillas gracilirostris
Subspecies: S. g. gracilirostris – S. g. percivali
Synonyms: S. g. chagwensis – S. g. congensis – included in nominal.
Name
Stelgidillas gracilirostris (Strickland, 1844)
Synonyms
Andropadus gracilirostris (protonym)
Pycnonotus gracilirostris (Strickland, 1844)
References
Primary references
Proceedings of the Zoological Society of London Pt12 no.136 p. 101 BHL
Additional references
Johansson, U.S.; Fjeldså, J.; Lokugalappatti, L.G.S.; & Bowie, R.C.K. 2007. A nuclear DNA phylogeny and proposed taxonomic revision of African greenbuls (Aves, Passeriformes, Pycnonotidae). Zoologica Scripta 36: 417–427. DOI: 10.1111/j.1463-6409.2007.00290.x Paywall Reference page.
Vernacular names
English: Slender-billed Greenbul
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.[2]
A molecular phylogenetic study of the bulbuls published in 2007 found that Andropadus was non-monophyletic.[3] 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.[4][5] Alternate names for the slender-billed greenbul include the Cameroon sombre greenbul and Cameroon greenbul. The latter name should not be confused with the species of the same name, Arizelocichla montana.
Former species
Formerly, some authorities also considered the following species (or subspecies) as species within the genus Stelgidillas:
Toro olive greenbul (as Stelgidillas hypochloris)[6]
Subspecies
Two subspecies of the slender-billed greenbul are recognized:[7]
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
BirdLife International (2016). "Stelgidillas gracilirostris". IUCN Red List of Threatened Species. 2016: e.T22712791A94349139. doi:10.2305/IUCN.UK.2016-3.RLTS.T22712791A94349139.en. Retrieved 15 November 2021.
Strickland, Hugh Edwin (1844). "Description of some new species of Birds brought by Mr. L. Fraser from Westem Africa". Proceedings of the Zoological Society of London. Part 12 (136): 99-102 [101].
Johansson, U.S.; Fjeldså, J.; Lokugalappatti, L.G.S.; Bowie, R.C.K. (2007). "A nuclear DNA phylogeny and proposed taxonomic revision of African greenbuls (Aves, Passeriformes, Pycnonotidae)". Zoologica Scripta. 36 (5): 417–427. doi:10.1111/j.1463-6409.2007.00290.x.
Oberholser, Harry C. (1899). "A list of birds collected by Mr R. P. Currie in Liberia". Proceedings of the United States National Museum. 22 (1182): 25–37 [30].
"Taxonomy Version 2 « IOC World Bird List". www.worldbirdnames.org. Retrieved 2017-04-06.
"Phyllastrephus hypochloris - Avibase". avibase.bsc-eoc.org. Retrieved 2017-04-23.
"Bulbuls « IOC World Bird List". www.worldbirdnames.org. Retrieved 2017-04-03.
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