Black Dwarf Hornbill

SCI Name:  Horizocerus hartlaubi
Protonym:  Toccus hartlaubi Proc.Zool.Soc.London(1860) (1860), Pt(28)3 p.380
Taxonomy:  Bucerotiformes / Bucerotidae / Horizocerus
Taxonomy Code:  bldhor1
Type Locality:  West Africa.
Author:  Gould
Publish Year:  1861
IUCN Status:  

DEFINITIONS

HORIZOCERUS
(Bucerotidae; Ϯ Western Little Hornbill H. hartlaubi) Gr. ὁριζω horizō  to limit (i.e. short); κερας keras, κερως kerōs  horn; "HORIZOCERUS, ³ new genus.  Genus generi "Lophoceros" dicto affine, sed cauda valde cuneata, rostro prope recto, hujus cornu minimo, acute carinato, facile distinguendum.  Type.— Toccus hartlaubi Gould.   The strongly wedge-shaped tail, comparatively straight bill, with its very small, sharply keeled casque, to say nothing of conspicuous color differences, appear fully to justify the creation of a separate genus for the species commonly known as Lophoceros hartlaubi.   ...   ³ ὁριζω, limito; κερας, cornu." (Oberholser 1900); "Horizocerus Oberholser, Proc. U. S. Nat. Mus., 22, 1899, p. 28.  Type, by original designation, Toccus hartlaubi Gould." (Peters, 1945, V, p. 254).
Var. Orizocerus.
Synon. Ortholophus, Tropicranus.

hartlaubi
Carl Johann Gustav Hartlaub (1814-1900) German ornithologist, collector (syn. Calidris falcinellus, Cercotrichas, syn. Corythornis cristatus cyanostigma, syn. Coua coquereli, Dacnis, Euplectes, syn. Euplectes gierowii ansorgei, syn. Hemicircus concretus, Horizocerus, syn. Lamprotornis chalybaeus, syn. Loriculus philippensis apicalis, syn. Neafrapus cassini, Otus, Pternistis, Tauraco).

SUBSPECIES

Black Dwarf Hornbill (Western)
SCI Name: Horizocerus hartlaubi hartlaubi
hartlaubi
Carl Johann Gustav Hartlaub (1814-1900) German ornithologist, collector (syn. Calidris falcinellus, Cercotrichas, syn. Corythornis cristatus cyanostigma, syn. Coua coquereli, Dacnis, Euplectes, syn. Euplectes gierowii ansorgei, syn. Hemicircus concretus, Horizocerus, syn. Lamprotornis chalybaeus, syn. Loriculus philippensis apicalis, syn. Neafrapus cassini, Otus, Pternistis, Tauraco).

Black Dwarf Hornbill (Eastern)
SCI Name: Horizocerus hartlaubi granti
granti
● William Robert Ogilvie-Grant (1863-1924) English ornithologist at BMNH 1882-1918 (subsp. Acanthisitta chloris, subsp. Accipiter nisus, subsp. Aerodramus vanikorensis, syn. Alopecoenas beccarii solomonensis, subsp. Camaroptera chloronota, Horizocerus, syn. Lophura nycthemera, syn. Melaenornis pallida parvus, subsp. Microptilotis mimikae, subsp. Napothera epilepidota, syn. Neocossyphus poensis praepectoralis, Ninox, syn. Oriolus szalayi, syn. Pellorneum ruficeps olivaceum, Penelope, subsp. Ptiloprora plumbea, Ptilopsis, subsp. Rhipidura rufifrons (ex Rhipidura harterti Ogilvie-Grant), subsp. Sericornis spilodera, subsp. Sturnus vulgaris, Sula).
● Capt. Claude Henry Baxter Grant (1878-1958) British ornithologist at BMNH 1898-1903, 1932-1958, in East Africa 1916-1932 (subsp. Bradypterus lopezi, subsp. Crithagra mozambica, subsp. Cyanomitra olivacea, syn. Malimbus malimbicus, subsp. Phoeniculus damarensis, syn. Pyrenestes ostrinus minor, subsp. Sheppardia poensis, subsp. Smutsornis africanus, subsp. Terpsiphone viridis, subsp. Treron delalandii).
● Lt.-Col. James Augustus Grant (1827-1892) British Army, explorer with Speke in East Africa 1860-1863 (syn. Guttera pucherani).
● Robert Grant (1854-1923) Scottish miner and immigrant to Australia 1879, taxidermist at Australian Mus. 1887-1917, collector, explorer (subsp. Paradisaea raggiana).