Von der Decken's Hornbill

Here the details of the Von der Decken's Hornbill named bird below:

SCI Name:  Tockus deckeni
Protonym:  Buceros (Rhynchaceros) Deckeni J.Orn. 16 p.413
Taxonomy:  Bucerotiformes / Bucerotidae / Tockus
Taxonomy Code:  vddhor1
Type Locality:  East Africa; type locality fixed as Seyidie Prov., Kenya Colony, Grant and Mackworth-Praed, Bull. Brit. Orn. CI., 57, 1937, p. 138.
Author:  Cabanis
Publish Year:  1868
IUCN Status:  Least Concern

DEFINITIONS

TOCKUS
(Bucerotidae; Ϯ Red-billed Hornbill T. erythrorhynchus) "Les nègres du Sénégal lui ont donné le nom de tock, & nous avons cru devoir de lui conserver" (de Buffon 1770-1783) (cf. "Buceros galeatus [= Rhinoplax vigil] ... This species is called Toko ...  in Sumatra" (Raffles 1822)); "Sous-genre. TOCK; Tockus.  Bec recourbé, élevé, très-comprimé, à arête vive, à bords lisses et dentelés.   1. CALAO TOCK; Buceros erythrorhynchus, Briss., pl. 46, fig. 2. Enl., 260; Levaill., pl. 238; Buceros nasutus, Var. B.  ...  Habite le Sénégal" (Lesson 1830); "Tockus Lesson, Traité d'Orn., livr. 4, 1830, p. 252. Type, by subsequent designation, Buceros erythrorhynchus Brisson i.e. Temminck. (G. R. Gray, List Gen. Bds., 1840, p. 50.)" (Peters 1945, V, 254).
Var. Toccus, Tocus (variant French name "Toc"), Poccus.
Synon. Alophius, Nototockus, Xanthorhynchus.

deckeni
Karl Klaus Freiherr von der Decken (1833-1865) German explorer in East Africa and Madagascar 1860-1865 (syn. Eurocephalus rueppelli, syn. Nectarinia johnstoni, syn. Polihierax semitorquatus castanotus, Tockus, subsp. Turdus abyssinicus).