Gray-backed Hawk / Pseudastur occidentalis
WBN 
Gray-backed Hawk
SCI Name:
Protonym: Leucopternis occidentalis Ibis p.496
Taxonomy: Accipitriformes / Accipitridae / Pseudastur
Taxonomy Code: gybhaw2
Type Locality: western Ecuador.
Author: Salvin
Publish Year: 1876
IUCN Status: Endangered
DEFINITIONS
PSEUDASTUR
(Accipitridae; Ϯ White Hawk P. albicollis) Gr. ψευδος pseudos false; genus Astur de Lacépède, 1801, goshawk; "7. THRASAËTINÆ. Pseudastur, ‡ Thrasaëtus, Morphnus, Spizaëtus. ... ‡ Type, Falco pœcilonotus, Cuvier, v. F. scotopterus, Pr. Max. (Pl. Col. 9.)" (Blyth 1850); "Pseudastur Blyth, Cat. Bds. Mus. Asiat. Soc., p. 24, 1849 [or 1852]—type, by monotypy, Falco poecilonotus Temminck = Falco albicollis Latham." (Hellmayr & Conover, 1949, XIII, 169).
occidentale / occidentalis
L. occidentalis western < occidens, occidentis west < occidere to set. This toponym was frequently given to taxa discovered in locations west of previously known populations.
● Cocal, Western Andes, Colombia (Dysithamnus).
● Jamaica; ex “Onocrotalus” or “Pelecanus fuscus” of Sloane 1725, “Pelican of America” of Edwards 1747, and “Pelecanus” of Browne 1756 (Pelecanus).
● TL. Day Dawn, Western Australia; "Westralian Wedgebill" (Mathews 1912) (Psophodes).
UPPERCASE: current genus
Uppercase first letter: generic synonym
● and ● See: generic homonyms
lowercase: species and subspecies
●: early names, variants, mispellings
‡: extinct
†: type species
Gr.: ancient Greek
L.: Latin
<: derived from
syn: synonym of
/: separates historical and modern geographic names
ex: based on
TL: type locality
OD: original diagnosis (genus) or original description (species)
