Eriocnemis Derbyi Bird

English Name:  Black-thighed Puffleg
Latin Name:  Eriocnemis derbyi
Protonym:  Trochilus Derbyi Rev.Zool. 9 p.306
Taxonomy:  Caprimulgiformes / Trochilidae / Eriocnemis
Taxonomy Code:  bltpuf1
Type Locality:  V61can de Purac6, near Popayan, Colombia.
Author:  Delattre & Bourcier
Publish Year:  1846
IUCN Status:  Near Threatened

DEFINITIONS

ERIOCNEMIS
(Trochilidae; Ϯ Coppery-bellied Puffleg E. cupreoventris) Gr. εριον erion  wool; κνημις knēmis, κνημιδος knēmidos  boot, legging. Reichenbach's 1849, plate XL, labelled Trochilinae. Mellisuginae. Phaetorninae, clearly shows the fluffy tarsal tufts typical of these hummingbirds; "The sexes are very much alike, and both have the white muff-like decoration on the leg, but it is not so much developed in the female as in the male" (Gould 1861); "Eriocnemis Reichenbach, Av. Syst. Nat. [1849], pl. xl. Generic details only, no species. Type, by subsequent designation, Eriopus simplex Gould = Trochilus cupreo-ventris Fraser (Gould, Monogr. Trochil. pt. 3, 1852, pl. [8] and text)." (Peters, 1945, V, p. 108).   
Var. Eriocnemys, Euryocnemis.   
Synon. Aline, Derbyomyia, Engyete, Erebenna, Eriona, Eriopus, Luciania, Mosqueria, Nania, Niche, Phemonoe, Pholoe, Threptria, Vestipedes.

derbyana / derbyanus / derbyi / derbyii
● Derby, West Kimberley, Western Australia (syn. Anhinga novaehollandiae, syn. Ardeotis australis, subsp. Artamus minor, subsp. Cacatua pastinator, syn. Eolophus roseicapilla kuhli, syn. Myzomela erythrocephala, syn. Poecilodryas cerviniventris).
● Edward Smith Stanley 13th Earl of Derby (1775-1851) English zoologist, founder of Knowsley Menagerie (Eriocnemis, subsp. Nyctidromus albicollis) (see also derbianus).