Oriental Cuckoo

Here the details of the Oriental Cuckoo named bird below:

SCI Name:  Cuculus optatus
Protonym:  Cuculus optatus Proc.Zool.Soc.London Pt13 no.145 p.18
Taxonomy:  Cuculiformes / Cuculidae / Cuculus
Taxonomy Code:  oricuc2
Type Locality:  Port Essington, Northern Territory.
Author:  Gould
Publish Year:  1845
IUCN Status:  

DEFINITIONS

CUCULUS
(Cuculidae; Ϯ Common Cuckoo C. canorus) L. cuculus  cuckoo. "52. CUCULUS.  Rostrum teretiusculum.  Nares margine prominulæ.  Lingua sagittata, plana, integra." (Linnaeus 1758); "Cuculus Linné, Syst. Nat., ed. 10, 1, 1758, p. 110. Type, by tautonymy, Cuculus canorus Linné (Cuculus, prebinomial specific name in synonymy.)" (Peters, 1940, IV, p. 14). Linnaeus's Cuculus comprised eight species (C. canorus, C. Persa, C. Vetula, C. glandarius, C. scolopaceus, C. niger, C. americanus, C. auratus). Together with the arrival of the Barn Swallow, the distinctive calls of the Common Cuckoo are traditionally and widely regarded as the harbingers of springtime throughout Europe.   
Var. Cucculus, Cuculis, Cuculuc.   
Synon. Coccyx, Edolius, Melanococcyx, Multivoculus, Nicoclarius, Notococcyx, Surniculoides, Versiculus.

optata / optatus
L. optatus welcome, wished for < optare to choose, to desire.