Gray-crowned Yellowthroat

Here the details of the Gray-crowned Yellowthroat named bird below:

SCI Name:  Geothlypis poliocephala
Protonym:  Geothlypis poliocephala Rev.Am.Birds 1 p.225
Taxonomy:  Passeriformes / Parulidae / Geothlypis
Taxonomy Code:  gycyel
Type Locality:  Mazatlan, Sinaloa.
Author:  Baird, SF
Publish Year:  1865
IUCN Status:  Least Concern

DEFINITIONS

GEOTHLYPIS
(Parulidae; † Common Yellowthroat G. trichas) Gr. γεω- geō-  ground-, earth-  < γη gē  earth; θλυπις thlupis  unknown small bird, perhaps some sort of finch or warbler. In ornithology thlypis signifies either a thin-billed tanager or, as in this case, a parulid warbler; "Subfam. Sylvicolinae.  1. Geothlypis (Trichas Sws. nec Gloger).  ...  Gen. Trichas Gloger.  Der Name Trichas wurde von Gloger im März 1827 an die Stelle von Criniger (!) Temm. gesetzt. Trichophorus Temm. ist später als Trichas Gloger vorgeschlagen.  Für die Gattung Trichas Sws., April 1827 haben wir den Namen Geothlypis (Fam. Sylvicolidae) vorgeschlagen   1. Trichas barbata (Temm.).   2. T. gularis (Horsf.).   3. T. icterica (Strickl.).   4. T. flaveola (Gould). etc." (Cabanis 1847); "Geothlypis Cabanis, 1847, Archiv für Naturgesch., 13, pp. 316, 349.  New name for Trichas Swainson, (June) 1827, preoccupied by Trichas Gloger, (March) 1827." (JAJ 2021) (see Trichas).
Var. Geothlipis.   
Synon. Chamaethlypis, Frutiornis, Trichas.

poliocephala / poliocephalum
Gr. πολιος polios  grey, grizzled, hoary, whitish, white; -κεφαλος -kephalos  -headed  < κεφαλη kephalē  head.

SUBSPECIES

Gray-crowned Yellowthroat (poliocephala)
SCI Name: Geothlypis poliocephala poliocephala
poliocephala / poliocephalum
Gr. πολιος polios  grey, grizzled, hoary, whitish, white; -κεφαλος -kephalos  -headed  < κεφαλη kephalē  head.

Gray-crowned Yellowthroat (ralphi)
SCI Name: Geothlypis poliocephala ralphi
ralphi
Dr William LeGrange Ralph (1851-1907) US ornithologist, Curator at US National Mus., collector, oologist (subsp. Geothlypis poliocephala).

Gray-crowned Yellowthroat (palpebralis)
SCI Name: Geothlypis poliocephala palpebralis
palpebralis
L. palpebralis  of the eyelids  < palpebrae  eyelids  < palpebra  eyelid  < palpare  to flatter.

Gray-crowned Yellowthroat (caninucha)
SCI Name: Geothlypis poliocephala caninucha
caninucha
L. canus  grey; Med. L. nuchus  nape  < Arabic nukhā'  spinal marrow.

Gray-crowned Yellowthroat (icterotis)
SCI Name: Geothlypis poliocephala icterotis
icterotis
Gr. ικτερος ikteros jaundice-yellow; -ωτις -ōtis -eared < ους ous, ωτος ōtos ear.

Gray-crowned Yellowthroat (ridgwayi)
SCI Name: Geothlypis poliocephala ridgwayi
ridgway / ridgwayi
Robert Ridgway (1850-1929) US ornithologist, Smithsonian Curator of Birds 1880-1929 (Aegolius, syn. Amazona leucocephala, subsp. Anous stolidus, Antrostomus, subsp. Arremonops rufivirgatus, Baeolophus, syn. Basileuterus culicivorus, Buteo, subsp. Buteogallus urubitinga, subsp. Camptostoma imberbe, subsp. Certhidea fusca, subsp. Chasiempis sandwichensis, subsp. Cochlearius cochlearius, subsp. Colinus virginianus, Cotinga, subsp. Cyanocitta stelleri, subsp. Dendrocincla fuliginosa, syn. Dendrocolaptes certhia concolor, syn. Dryobates scalaris parvus, subsp. Fregata minor, subsp. Geothlypis poliocephala, Glaucidium, subsp. Icterus icterus, subsp. Jacamerops aureus, subsp. Lagopus muta, subsp. Leiothlypis ruficapilla (ex Helmithophaga ruficapilla gutturalis Ridgway, 1874), subsp. Loxigilla noctis, syn. Megascops trichopsis, subsp. Myiobius atricaudus, Nesotriccus, subsp. Pandion haliaetus, syn. Passerella iliaca insularis, subsp. Pheugopedius coraya, Plegadis, subsp. Psarocolius wagleri, subsp. Scardafella squammata, Stelgidopteryx, Thalurania, subsp. Thryorchilus browni, subsp. Xenops genibarbis).