Russet-crowned Motmot

Here the details of the Russet-crowned Motmot named bird below:

SCI Name:  Momotus mexicanus
Protonym:  Momotus Mexicanus Philos.Mag.n.s. n.s., 1 p.442
Taxonomy:  Coraciiformes / Momotidae / Momotus
Taxonomy Code:  rucmot1
Type Locality:  Temisc&ltepec, Mexico.
Author:  Swainson
Publish Year:  1827
IUCN Status:  Least Concern

DEFINITIONS

MOMOTUS
(Momotidae; Ϯ Amazonian Motmot M. momota) Mod. corruption Momot (Nieremberg 1635) of Aztec/Nahuatl onomatopoeia Motmot, for a blue-capped, pigeon-sized bird that inhabited the tropical regions; "Momotus. Genus 57.   ...   Genus Momoti. (1)   ...   (1) Momotus, nomen latinum ex nomine Mexicano Momot a me conflatum   ....   Le genre du Momot. (1)   ...   (1) Momot, nom que les Mexiquains donnent à la premiere espece de ce genre" (Brisson 1760): ex "Momot" of Nieremberg 1635, Willughby 1676, and Ray 1713, and "Motmot" of Hernandez 1651; "Momotus Brisson, Orn., 1760, 1, p. 44; 4, p. 465. Type, by tautonymy, Ramphastos momota Linné." (Peters 1945, V, 225).
Var. Momot, Momota, Motmotus.
Synon. Baryphonus, Crybelus, Prionites.
• (Momotidae; syn. Momotus † Russet-crowned Motmot M. mexicanus) "94. PRIONITES, Ill.   a. Momotus, Bp. ex Br. — 224. mexicanus, Sw." (Bonaparte 1854); "Momotus Bonaparte, 1854, Conspectus Volucrum Anisodactylorum, p. 7 (not of Brisson, 1760).  Type, by monotypy, Momotus mexicanus Swainson, 1827." (JAJ 2021). 

mexicanum / mexicanus
Mexico (probably named after Mexihtli, another name for Huitzilopochtli the Aztec god of war). This toponym also included New Spain, a former name for Mexico.
● ex “Colcuicuiltu” of Hernandez 1651, and “Caille de la Louisiane” of Brisson 1760 (syn. Colinus virginianus).
● ex “Hoitlalotl” of Hernandez 1651, and de Buffon 1770-1783, and “Courier Pheasant” of Latham 1783 (?syn. Geococcyx velox).
● Erroneous TL. New Spain (= Cayenne); ex “Troupiale brun de la Nouvelle Espagne” (= ☼) of Brisson 1760 (Gymnomystax).
● ex “Comaltecatl” of Hernandez 1651, and “Échasse du Méxique” of Brisson 1760 (subsp. Himantopus himantopus).
● Erroneous TL. Mexico (= Jamaica) (syn. Icterus leucopteryx).
● ex “Merula mexicana” of Seba 1734-1765, “Galgulus mexicanus” of Brisson 1760, “Roller du Mexique” of de Buffon 1770-1783, and “Mexican Roller” of Latham 1781 (?syn. Laniocera or Lipaugus sp.).
● Erroneous TL. New Spain (= Cayenne); ex “Faisan huppé de Cayenne” of d’Aubenton 1765-1781, pl. 337, “Crested Pheasant” of Latham 1783, Phasianus cristatus J. Gmelin, 1789, and “Penelôpe hoatzin du Méxique” of Temminck 1807 (syn. Opisthocomus hoazin).
● ex “Acacalotl” of Hernandez 1651, “Acalotl” of Willughby 1676, and Ray 1713, “Numenius mexicanus varius” of Brisson 1760, “Acalot” of de Buffon 1770-1783, and “Mexican Ibis” of Latham 1785 (?syn. Plegadis falcinellus).
● ex “Hocitzanatl” of Hernandez 1651, and Ray, 1711, “Pica Mexicana major” of Brisson 1760, “Hocisana” of de Buffon 1770-1783, “Criard” of Pernety 1771, and “Mexican Crow” of Latham 1781 (Quiscalus).
● ex “Tecolotl” of Ray 1713, “Asio mexicanus” of Brisson, and “Mexican Eared Owl” of Latham 1781 (syn. Rhinoptynx clamator).
● ex “Yacapatlahoac” of Hernandez 1651, “Anas clypeata mexicana” or “Souchet du Méxique” of Brisson 1760, and “Mexican Shoveler” of Latham 1785 (syn. Spatula clypeata).
● Erroneous TL. Mexico (= Puerto Rico) (Todus).
● ex “Avis Cocho Psittaci mexicani species” of Seba 1734, and “Psittaca mexicana lutea” of Brisson 1760 (unident.).
● ex “Avis de cocho, psittaci species mexicana vario colore” of Seba 1734, “Psittacula mexicana cristata” of Brisson 1760, and “Crested Mexican Parrakeet” of Latham 1781 (unident.).
● ex “Caxcaxtototl” of Ray 1713, “Cotinga mexicana” of Brisson 1760, “Cacastol” of de Buffon 1770-1783, and “Mexican Stare” of Latham 1783 (unident.).

SUBSPECIES

Russet-crowned Motmot (vanrossemi)
SCI Name: Momotus mexicanus vanrossemi
vanrossemi
Adriaan Joseph Van Rossem (1892-1949) US ornithologist, Curator of Dickey Collection UCLA 1940-1949 (subsp. Aramides albiventris, subsp. Cantorchilus modestus, syn. Chloroceryle americana septentrionalis, subsp. Eumomota superciliosa, subsp. Gelochelidon nilotica, subsp. Momotus mexicanus, syn. Myiarchus nuttingi inquietus, subsp. Polioptila albiloris, subsp. Vireo flavoviridis).

Russet-crowned Motmot (mexicanus)
SCI Name: Momotus mexicanus mexicanus
mexicanum / mexicanus
Mexico (probably named after Mexihtli, another name for Huitzilopochtli the Aztec god of war). This toponym also included New Spain, a former name for Mexico.
● ex “Colcuicuiltu” of Hernandez 1651, and “Caille de la Louisiane” of Brisson 1760 (syn. Colinus virginianus).
● ex “Hoitlalotl” of Hernandez 1651, and de Buffon 1770-1783, and “Courier Pheasant” of Latham 1783 (?syn. Geococcyx velox).
● Erroneous TL. New Spain (= Cayenne); ex “Troupiale brun de la Nouvelle Espagne” (= ☼) of Brisson 1760 (Gymnomystax).
● ex “Comaltecatl” of Hernandez 1651, and “Échasse du Méxique” of Brisson 1760 (subsp. Himantopus himantopus).
● Erroneous TL. Mexico (= Jamaica) (syn. Icterus leucopteryx).
● ex “Merula mexicana” of Seba 1734-1765, “Galgulus mexicanus” of Brisson 1760, “Roller du Mexique” of de Buffon 1770-1783, and “Mexican Roller” of Latham 1781 (?syn. Laniocera or Lipaugus sp.).
● Erroneous TL. New Spain (= Cayenne); ex “Faisan huppé de Cayenne” of d’Aubenton 1765-1781, pl. 337, “Crested Pheasant” of Latham 1783, Phasianus cristatus J. Gmelin, 1789, and “Penelôpe hoatzin du Méxique” of Temminck 1807 (syn. Opisthocomus hoazin).
● ex “Acacalotl” of Hernandez 1651, “Acalotl” of Willughby 1676, and Ray 1713, “Numenius mexicanus varius” of Brisson 1760, “Acalot” of de Buffon 1770-1783, and “Mexican Ibis” of Latham 1785 (?syn. Plegadis falcinellus).
● ex “Hocitzanatl” of Hernandez 1651, and Ray, 1711, “Pica Mexicana major” of Brisson 1760, “Hocisana” of de Buffon 1770-1783, “Criard” of Pernety 1771, and “Mexican Crow” of Latham 1781 (Quiscalus).
● ex “Tecolotl” of Ray 1713, “Asio mexicanus” of Brisson, and “Mexican Eared Owl” of Latham 1781 (syn. Rhinoptynx clamator).
● ex “Yacapatlahoac” of Hernandez 1651, “Anas clypeata mexicana” or “Souchet du Méxique” of Brisson 1760, and “Mexican Shoveler” of Latham 1785 (syn. Spatula clypeata).
● Erroneous TL. Mexico (= Puerto Rico) (Todus).
● ex “Avis Cocho Psittaci mexicani species” of Seba 1734, and “Psittaca mexicana lutea” of Brisson 1760 (unident.).
● ex “Avis de cocho, psittaci species mexicana vario colore” of Seba 1734, “Psittacula mexicana cristata” of Brisson 1760, and “Crested Mexican Parrakeet” of Latham 1781 (unident.).
● ex “Caxcaxtototl” of Ray 1713, “Cotinga mexicana” of Brisson 1760, “Cacastol” of de Buffon 1770-1783, and “Mexican Stare” of Latham 1783 (unident.).

Russet-crowned Motmot (saturatus)
SCI Name: Momotus mexicanus saturatus
saturatum / saturatus
L. saturatus  richly coloured, darker coloured, intensely coloured  < satur, satura  rich, copious  < satis  enough.
● “In my description of this Cuckoo [Cuculus micropterus] ...I considered certain dark ash-coloured specimens to be merely the old birds of the species ...Mr Hodgson, however, thinks differently, having lately forwarded similar examples by the designation C. saturatus” (Blyth 1843) (Cuculus).

Russet-crowned Motmot (castaneiceps)
SCI Name: Momotus mexicanus castaneiceps
castaneiceps
L. castaneus  chestnut-coloured  < castanea  chestnut  < Gr. καστανον kastanon  chestnut; -ceps  -headed  < caput, capitis  head.