Grauer's Swamp Warbler

Here the details of the Grauer's Swamp Warbler named bird below:

SCI Name:  Bradypterus graueri
Protonym:  Bradypterus graueri Bull.Br.Orn.Club 21 p.56
Taxonomy:  Passeriformes / Locustellidae / Bradypterus
Taxonomy Code:  grswar1
Type Locality:  Western Kivu Volcanoes, Belgian Congo; altitude 2,200 meters.
Author:  Neumann
Publish Year:  1908
IUCN Status:  Endangered

DEFINITIONS

BRADYPTERUS
(Locustellidae; Ϯ Little Rush-warbler B. baboecala) Gr. βραδυς bradus  slow, sluggish; -πτερος -pteros  -winged  < πτερον pteron  wing; "BRADYPTETUS, Sw.  General size and habit of Curuca. The bill distinctly notched. Wings short; the three first quills equally graduated. Tail rounded; the feathers remarkably broad and soft. Feet large, strong, and robust; the lateral toes equal. Claws slender, slightly curved.   Africa.  B. platyurus. Ois. d'Af. pl. 122.   ...   [Index] Bradypterus, Sw." (Swainson 1837); "Bradyptetus [sic] Swainson, 1837, Nat. Hist. Class. Birds, 2, p. 241, Bradypterus in index, p. 379. Type, by monotypy, Bradyptetus platyurus Swainson = Sylvia baboaecala Vieillot." (Traylor in Peters 1986, XI, 17).   
Var. Bradyptetus (original spelling), ?Bradyptetes.   
Synon. Androphilus, Caffrillas, Dromaeocercus, Dumeticola, Pseudotharrhaleus, Sathrocercus, Stasiasticus, Sylvaticus, Tribura.
● (Muscicapidae; syn. Hodgsonius † White-bellied Redstart H. phaenicuroides). "Bradypterus phænicuroides, [drawing no.] 817." (Hodgson 1844); "Bradypterus Hodgson, 1844, in Gray's Zool. Miscellany, p. 83 (nom. nud.) (not of Swainson, 1837).  Type, by monotypy, Bradypterus phaenicuroides  "Hodgs." Gray, 1847." (JAJ 2021) (see Bradybates).
Var. Brachypterus.

graueri
Rudolf Grauer (1871-1927) Austrian ornithologist, collector in tropical Africa 1904-1911 (subsp. Asio abyssinicus, Bradypterus, Ceblepyris, subsp. Chlorophoneus multicolor, subsp. Cinnyris stuhlmanni, subsp. Crithagra striolata, subsp. Dyaphorophyia ansorgei, syn. Estrilda atricapilla kandti, subsp. Euschistospiza cinereovinacea, subsp. Geokichla camaronensis, syn. Otus senegalensis, subsp. Phyllastrephus flavostriatus, syn. Ploceus cucullatus, syn. Polyboroides typus, subsp. Prinia subflava, Pseudocalyptomena, subsp. Turdus pelios).