Eastern Yellow Wagtail

Here the details of the Eastern Yellow Wagtail named bird below:

SCI Name:  Motacilla tschutschensis
Protonym:  Motacilla tschutschensis Syst.Nat. 1 pt2 p.962
Taxonomy:  Passeriformes / Motacillidae / Motacilla
Taxonomy Code:  eaywag
Type Locality:  coast of Chukotski Peninsula.
Author:  Gmelin, JF
Publish Year:  1789
IUCN Status:  Least Concern

DEFINITIONS

MOTACILLA
(Motacillidae; Ϯ White Wagtail M. alba) Late Med. L. (1555) motacilla  pied wagtail  < L. motacilla  wagtail  < Gr. μυττηξ muttēx  type of bird mentioned by Hesychius. The mistaken use of -cilla ­for “tail” in ornithology goes back to mediaeval writers who misread motacilla, Varro’s name for the wagtail ("quod semper movet caudam") and a diminutive from motare to move about or shake (i.e. a little shaker or wagger), as “shaketail”; "99. MOTACILLA.  Rostrum subulatum, rectum: Mandibulis subæqualibus.  Nares obovatæ.  Lingua lacero-emarginata." (Linnaeus 1758);"Motacilla Linnaeus, 1758, Syst. Nat., ed. 10, p. 184. Type, by tautonymy, "Motacilla" = M. alba Linnaeus." (Vaurie in Peters 1960, IX, 130). Linnaeus's Motacilla comprised thirty-four species (M. Luscinia, M. Calidris, M. modularis, M. Schœnobænus, M. campestris, M. Curruca, M. Hippolais, M. Salicaria, M. Sylvia, M. Philomela, M. Ficedula, M. alba, M. flava, M. Tiphia, M. Ruticilla, M. hispanica, M. Oenanthe, M. Rubetra, M. Atricapilla, M. Emeria, M. Phœnicurus, M. Erithacus, M. Titys, M. svecica, M. Sialis, M. Velia, M. Spiza, M. Rubecula, M. Troglodytes, M. Regulus, M. Trochilus, M. Acredula, M. Pendulinus, M. minuta). The White Wagtail has a wide range in the Palaearctic, although several subspecies are sometimes treated specifically (e.g. yarrellii, subpersonata, personata, lugens).
Var. Matacilla, Metacilla, Motacilea, Motacitta, Mottacilla, Montacilla, Notacilla, Notorcilla.
Synon. Aguimpia, Atolmodytes, Boarula, Budytes, Calobates, Pallenura, Pecula, Psomophilus, Seisura.

motacilla
L. motacilla  wagtail  < Gr. μυττηξ muttēx  type of bird mentioned by Hesychius (subsp. Myiothlypis fulvicauda, Parkesia).

tschutschensis
Chukotski, Chukchi or Chukotka Peninsula, Far East Siberia, Russia.

SUBSPECIES

Eastern Yellow Wagtail (Eastern)
SCI Name: Motacilla tschutschensis tschutschensis/plexa
MOTACILLA
(Motacillidae; Ϯ White Wagtail M. alba) Late Med. L. (1555) motacilla  pied wagtail  < L. motacilla  wagtail  < Gr. μυττηξ muttēx  type of bird mentioned by Hesychius. The mistaken use of -cilla ­for “tail” in ornithology goes back to mediaeval writers who misread motacilla, Varro’s name for the wagtail ("quod semper movet caudam") and a diminutive from motare to move about or shake (i.e. a little shaker or wagger), as “shaketail”; "99. MOTACILLA.  Rostrum subulatum, rectum: Mandibulis subæqualibus.  Nares obovatæ.  Lingua lacero-emarginata." (Linnaeus 1758);"Motacilla Linnaeus, 1758, Syst. Nat., ed. 10, p. 184. Type, by tautonymy, "Motacilla" = M. alba Linnaeus." (Vaurie in Peters 1960, IX, 130). Linnaeus's Motacilla comprised thirty-four species (M. Luscinia, M. Calidris, M. modularis, M. Schœnobænus, M. campestris, M. Curruca, M. Hippolais, M. Salicaria, M. Sylvia, M. Philomela, M. Ficedula, M. alba, M. flava, M. Tiphia, M. Ruticilla, M. hispanica, M. Oenanthe, M. Rubetra, M. Atricapilla, M. Emeria, M. Phœnicurus, M. Erithacus, M. Titys, M. svecica, M. Sialis, M. Velia, M. Spiza, M. Rubecula, M. Troglodytes, M. Regulus, M. Trochilus, M. Acredula, M. Pendulinus, M. minuta). The White Wagtail has a wide range in the Palaearctic, although several subspecies are sometimes treated specifically (e.g. yarrellii, subpersonata, personata, lugens).
Var. Matacilla, Metacilla, Motacilea, Motacitta, Mottacilla, Montacilla, Notacilla, Notorcilla.
Synon. Aguimpia, Atolmodytes, Boarula, Budytes, Calobates, Pallenura, Pecula, Psomophilus, Seisura.

Eastern Yellow Wagtail (Green-headed)
SCI Name: Motacilla tschutschensis taivana
taivana / taivanensis / taivaniana / taivanicus / taivanus / taiwan / taiwana / taiwanensis / taiwanus
Formosa / Taiwan.

Eastern Yellow Wagtail (Manchurian)
SCI Name: Motacilla tschutschensis macronyx
MACRONYX
(Motacillidae; Ϯ Orange-throated Longclaw M. capensis) Gr. μακρος makros  long, great; ονυξ onux, ονυχος onukhos  claw; "MACRONYX.   ...   Bill moderate, straight, the culmen slightly arched.  Nostrils naked, large, the aperture oblong.  Wings rather short, the four first quills equal and longest.  Tail slightly rounded.  Feet long; the lateral scales of the tarsi entire; the nail of the hind toe very long and curved.   Type. L'Alouette Sentinelle. Levaill., Ois. pl. 195." (Swainson 1827); "Macronyx Swainson, 1827, Zool. Journ., 3, p. 344. Type, by original designation, "L'Alouette sentinelle" of Levaillant = Alauda capensis Linnaeus" (White in Peters 1960, IX, 142).