White Helmetshrike

Here the details of the White Helmetshrike named bird below:

SCI Name:  Prionops plumatus
Protonym:  Lanius plumatus Gen.Zool.[Shaw] 7 pt2 p.292
Taxonomy:  Passeriformes / Vangidae / Prionops
Taxonomy Code:  whihel1
Type Locality:  Senegal.
Author:  Shaw
Publish Year:  1809
IUCN Status:  Least Concern

DEFINITIONS

PRIONOPS
(Vangidae; Ϯ White-crested Helmet-shrike P. plumatus) Gr. πριων priōn, πριονος prionos  saw; ωψ ōps, ωπος ōpos  eye; “BAGADAIS, Prionops.  Bec emplumé à la base, tendu, très-comprimé latéralement; mandibule supérieure échancrée et crochue vers le bout; l'inférieure retroussée et aiguë à la pointe. — Paupières dentelées.   Esp. Le Geoffroy, Le Vaill.   ...   Prionops [πριων, serra, ωψ, oculus].” (Vieillot 1816); "Prionops Vieillot, 1816, Analyse, p. 41. Type, by monotypy, "Le Geoffroy" of Levaillant = Lanius plumatus Shaw." (Rand in Peters 1960, IX, 310).  This genus was formerly and widely separated in the family Prionopidae, and some modern workers still favour that treatment.
Var. Trinops, Trionops (Laurent Raty in litt.).
Synon. Eressornis, Knestrometopon, Phaidrometopon, Sigmodus.

plumata / plumatus
L. plumatus  plumed  < pluma  small soft feather.
● ex “Manakin vert huppé de Cayenne” of d’Aubenton 1765-1781, pl. 303, fig. 2 (syn. Chiroxiphia pareola).
● ex "Coquillade" of d'Aubenton 1765-1781 (syn. Galerida cristata).
● ex “Geoffroy” of Levaillant 1801, pl. 80 (“The bird was named after René Geoffroy de Villeneuve, who returned to Paris in 1795 with a collection of Senegalese animals” (Rookmaker 1989)) (Prionops).

SUBSPECIES

White Helmetshrike (Long-crested)
SCI Name: Prionops plumatus plumatus
plumata / plumatus
L. plumatus  plumed  < pluma  small soft feather.
● ex “Manakin vert huppé de Cayenne” of d’Aubenton 1765-1781, pl. 303, fig. 2 (syn. Chiroxiphia pareola).
● ex "Coquillade" of d'Aubenton 1765-1781 (syn. Galerida cristata).
● ex “Geoffroy” of Levaillant 1801, pl. 80 (“The bird was named after René Geoffroy de Villeneuve, who returned to Paris in 1795 with a collection of Senegalese animals” (Rookmaker 1989)) (Prionops).

White Helmetshrike (Yellow-eyed)
SCI Name: Prionops plumatus [poliocephalus Group]
PRIONOPS
(Vangidae; Ϯ White-crested Helmet-shrike P. plumatus) Gr. πριων priōn, πριονος prionos  saw; ωψ ōps, ωπος ōpos  eye; “BAGADAIS, Prionops.  Bec emplumé à la base, tendu, très-comprimé latéralement; mandibule supérieure échancrée et crochue vers le bout; l'inférieure retroussée et aiguë à la pointe. — Paupières dentelées.   Esp. Le Geoffroy, Le Vaill.   ...   Prionops [πριων, serra, ωψ, oculus].” (Vieillot 1816); "Prionops Vieillot, 1816, Analyse, p. 41. Type, by monotypy, "Le Geoffroy" of Levaillant = Lanius plumatus Shaw." (Rand in Peters 1960, IX, 310).  This genus was formerly and widely separated in the family Prionopidae, and some modern workers still favour that treatment.
Var. Trinops, Trionops (Laurent Raty in litt.).
Synon. Eressornis, Knestrometopon, Phaidrometopon, Sigmodus.