White-tailed Hawk

SCI Name:  Geranoaetus albicaudatus
Protonym:  Buteo albicaudatus Nouv.Dict.Hist.Nat. 4 p.477
Taxonomy:  Accipitriformes / Accipitridae / Geranoaetus
Taxonomy Code:  whthaw
Type Locality:  South America; restricted to Rio de Janeiro by Berlepsch, 1908, Novit. Zool., 15, p. 291.
Author:  Vieillot
Publish Year:  1816
IUCN Status:  Least Concern

DEFINITIONS

GERANOAETUS
(Accipitridae; Ϯ Grey Buzzard Eagle G. melanoleucus) Gr. γερανος geranos  crane (i.e. grey); αετος aetos  eagle; "5. Geschlecht.  Bussard oder Seeadler, Haliaëtus, Sav.    ...    3) Sperberseeadler, Geranoaëtus, Kp. (aguja)." (Kaup 1844); "Geranoaetus Kaup, Class. Säugeth. und Vög., 1844, p. 122. Type, by monotypy, Falco aguia Temminck = Spizaetus melanoleucus Vieillot." (Peters, 1931, I, p. 227).  
Var. Geranaetus.
Synon. Heteroaetus, Tachytriorchis.

albicaudata / albicaudatus
L. albus  white; caudatus  tailed  < cauda  tail.
● ex “Aguila coliblanca” of de Azara 1802-1805, no. 10 (Geranoaetus).

SUBSPECIES

White-tailed Hawk (hypospodius)
SCI Name: Geranoaetus albicaudatus hypospodius
hypospodia / hypospodium / hypospodius
Gr. ὑπο hupo  beneath; σποδιος spodios  ash-coloured  < σποδος spodos  ashes.

White-tailed Hawk (colonus)
SCI Name: Geranoaetus albicaudatus colonus
colonus
L. colonus  farmer, rustic (e.g. with homely brown plumage; of the countryside); colonist, inhabitant  < colere  to cultivate.
● Spanish settlers’ name Colon given to the Long-tailed Tyrant in Paraguay and Argentina; ex “El Colon” of de Azara 1805, no. CLXXX (Colonia).

White-tailed Hawk (albicaudatus)
SCI Name: Geranoaetus albicaudatus albicaudatus
albicaudata / albicaudatus
L. albus  white; caudatus  tailed  < cauda  tail.
● ex “Aguila coliblanca” of de Azara 1802-1805, no. 10 (Geranoaetus).