Erythrolamprus Reginae
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The royal ground snake (''Erythrolamprus reginae'') is a
species A species () is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. It is the basic unit of Taxonomy (biology), ...
of snake in the
family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...
Colubridae Colubridae (, commonly known as colubrids , from , 'snake') is a family of snakes. With 249 genera, it is the largest snake family. The earliest fossil species of the family date back to the Late Eocene epoch, with earlier origins suspected. C ...
. The species is
endemic Endemism is the state of a species being found only in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also foun ...
to northern
South America South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a considerably smaller portion in the Northern Hemisphere. It can also be described as the southern Subregion#Americas, subregion o ...
.


Classification

''Erythrolamprus reginae'' belongs to the
genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...
''
Erythrolamprus ''Erythrolamprus'' is a genus of colubrid snakes native to Central America, the Caribbean, and South America. They include the false coral snakes, which appear to be coral snake mimics. Classification The genus ''Erythrolamprus'' belongs to ...
'', which contains over 50 species. The genus ''Erythrolamprus'' belongs to the
subfamily In biological classification, a subfamily (Latin: ', plural ') is an auxiliary (intermediate) taxonomic rank, next below family but more inclusive than genus. Standard nomenclature rules end botanical subfamily names with "-oideae", and zo ...
Dipsadinae Dipsadinae is a large subfamily of colubroid snakes, sometimes referred to as a family (Dipsadidae). Species of the subfamily Dipsadinae are found in most of the Americas, including the West Indies, and are most diverse in South America. There a ...
, which is sometimes referred to as the family Dipsadidae. Recent
phylogenetic In biology, phylogenetics () is the study of the evolutionary history of life using observable characteristics of organisms (or genes), which is known as phylogenetic inference. It infers the relationship among organisms based on empirical dat ...
analysis of morphological and molecular DNA evidence has shown that ''Erythrolamprus reginae'' is now likely
paraphyletic Paraphyly is a taxonomic term describing a grouping that consists of the grouping's last common ancestor and some but not all of its descendant lineages. The grouping is said to be paraphyletic ''with respect to'' the excluded subgroups. In co ...
. ''
Erythrolamprus zweifeli ''Erythrolamprus zweifeli'', the braided ground snake or Zweifel's ground snake, is a species of snake in the family Colubridae. The species is found in Venezuela and Trinidad. Classification ''Erythrolamprus zweifeli'' belongs to the genus '' ...
'' was previously considered to be a
subspecies In Taxonomy (biology), biological classification, subspecies (: subspecies) is a rank below species, used for populations that live in different areas and vary in size, shape, or other physical characteristics (Morphology (biology), morpholog ...
of ''Erythrolamprus reginae'' and called ''Erythrolamprus reginae zweifeli''. However, based on notable differences in coloration and scale counts, it is now considered to be a separate species. ''
Erythrolamprus pseudoreginae ''Erythrolamprus pseudoreginae'', the Tobago stream snake, is a species of snake in the family Colubridae. The species is found in the northeastern forests of the island of Tobago. Etymology The species name ''pseudoreginae'' was chosen because ...
'' of
Tobago Tobago, officially the Ward of Tobago, is an List of islands of Trinidad and Tobago, island and Regions and municipalities of Trinidad and Tobago, ward within the Republic of Trinidad and Tobago. It is located northeast of the larger islan ...
, named in 2019, was also previously considered to be part of ''Erythrolamprus reginae'', but is now separate. The relationships of ''Erythrolamprus'' species located in northern South America can be shown in the
cladogram A cladogram (from Greek language, Greek ''clados'' "branch" and ''gramma'' "character") is a diagram used in cladistics to show relations among organisms. A cladogram is not, however, an Phylogenetic tree, evolutionary tree because it does not s ...
below:


Diet

It feeds on
frog A frog is any member of a diverse and largely semiaquatic group of short-bodied, tailless amphibian vertebrates composing the order (biology), order Anura (coming from the Ancient Greek , literally 'without tail'). Frog species with rough ski ...
s, frog
eggs An egg is an organic vessel in which an embryo begins to develop. Egg, EGG or eggs may also refer to: Biology * Egg cell, the female reproductive cell (gamete) in oogamous organisms Food * Eggs as food Places * Egg, Austria * Egg, Switzerland ...
,
tadpole A tadpole or polliwog (also spelled pollywog) is the Larva, larval stage in the biological life cycle of an amphibian. Most tadpoles are fully Aquatic animal, aquatic, though some species of amphibians have tadpoles that are terrestrial animal, ...
s,
fish A fish (: fish or fishes) is an aquatic animal, aquatic, Anamniotes, anamniotic, gill-bearing vertebrate animal with swimming fish fin, fins and craniate, a hard skull, but lacking limb (anatomy), limbs with digit (anatomy), digits. Fish can ...
, small
bird Birds are a group of warm-blooded vertebrates constituting the class (biology), class Aves (), characterised by feathers, toothless beaked jaws, the Oviparity, laying of Eggshell, hard-shelled eggs, a high Metabolism, metabolic rate, a fou ...
s, and
lizard Lizard is the common name used for all Squamata, squamate reptiles other than snakes (and to a lesser extent amphisbaenians), encompassing over 7,000 species, ranging across all continents except Antarctica, as well as most Island#Oceanic isla ...
s.


References


Further reading

* Amaral A (1936). "''Colecta herpetologica no centro do Brasil'' ". ''Mem. Inst. Butantan'' 9: 235–246. (''Leimadophis reginae macrosoma'', new subspecies, p. 238). (in Portuguese). * * Linnaeus C (1758). ''Systema naturæ per regna tria naturæ, secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis. Tomus I. Editio Decima, Reformata.'' Stockholm: L. Salvius. 824 pp. (''Coluber reginæ'', new species, p. 219). (in Latin). * Roze JA (1959). "Taxonomic Notes on a Collection of Venezuelan Reptiles in the American Museum of Natural History". ''American Museum Novitates'' (1934): 1–14. ("''Leimadophis zweifeli'', new species", pp. 4–7 + Figure 1, photograph of holotype, on p. 6). * Wagler J (1824). ''In'': Spix J (1824). ''Serpentum Brasiliensum species novae ou histoire naturelle des espèces nouvelles de serpens, recueillies et observées pendant le voyage dans l'intérieur du Brésil dans les années 1817, 1818, 1819, 1820, exécuté par ordre de sa Majesté le Roi de Baviére.'' Munich: F.S. Hübschmann. viii + 75 pp. + Plates I.- XXVI. (''Natrix semilineata'', new species, p. 33-34 + Plate XI., Figure 2). (in Latin and French). Erythrolamprus Snakes of South America Reptiles of Venezuela Reptiles of Trinidad and Tobago Reptiles described in 1758 Taxa named by Carl Linnaeus {{Dipsadinae-stub