Bothriechis Aurifer
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:''Common names: yellow-blotched palm-pitviper,Campbell JA, Lamar WW. 2004. The Venomous Reptiles of the Western Hemisphere. 2 volumes. Comstock Publishing Associates, Ithaca and London. 870 pp. 1500 plates. . Guatemalan palm viper.Mehrtens JM. 1987. Living Snakes of the World in Color. New York: Sterling Publishers. 480 pp. .'' ''Bothriechis aurifer'' is a
pit viper The Crotalinae, commonly known as pit vipers,Mehrtens JM (1987). ''Living Snakes of the World in Color''. New York: Sterling Publishers. 480 pp. . or pit adders, are a subfamily (biology), subfamily of Viperidae, vipers found in Asia and the ...
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), ...
found in
Mexico Mexico, officially the United Mexican States, is a country in North America. It is the northernmost country in Latin America, and borders the United States to the north, and Guatemala and Belize to the southeast; while having maritime boundar ...
and
Guatemala Guatemala, officially the Republic of Guatemala, is a country in Central America. It is bordered to the north and west by Mexico, to the northeast by Belize, to the east by Honduras, and to the southeast by El Salvador. It is hydrologically b ...
. No
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 ...
are currently recognized.


Description

Adults generally grow to less than in length, but sometimes to over . The body is relatively slender with a prehensile tail. The scalation includes 1–5 intersupraocular scales, 8–12
supralabials In reptiles, the supralabial scales, also called upper-labials, are those scales that border the mouth opening along the upper jaw. They do not include the median scaleWright AH, Wright AA. 1957. Handbook of Snakes. Comstock Publishing Associates ( ...
, 9–13 infralabials and 18–21 (mode 19) rows of
dorsal scales In snakes, the dorsal scales are the longitudinal series of plates that encircle the body, but do not include the ventral scales. Campbell JA, Lamar WW (2004). ''The Venomous Reptiles of the Western Hemisphere''. Ithaca and London: Comstock Publis ...
at midbody. The second supralabial is fused with the prelacunal to form a lacunolabial and the interrictals number 16–21. Males have 148–167
ventral scales In snakes, the ventral scales or gastrosteges are the enlarged and transversely elongated scales that extend down the underside of the body from the neck to the anal scale. When counting them, the first is the anteriormost ventral scale that cont ...
and 58–64 subcaudals (mostly undivided), while females have 152–162 ventrals and 48–61 subcaudal scales. The color pattern consists of a green ground color overlaid dorsally with a series of yellow blotches that are bordered in black. Between the botches, an irregular, often broken, dorsal stripe can be seen. The yellowish green belly is often lighter than the dorsum. On the head, a dark postocular stripe is present. The iris is usually yellowish-green, sometimes bronze, with black specks or reticulations. Over 90% of all specimens have the usual dark dorsal pattern, but a few are uniform green and have no postocular stripes. The juvenile coloration includes a pale lime green ground color and a colorful tail tip.


Geographic range

Found in
Mexico Mexico, officially the United Mexican States, is a country in North America. It is the northernmost country in Latin America, and borders the United States to the north, and Guatemala and Belize to the southeast; while having maritime boundar ...
in the mountains of eastern
Chiapas Chiapas, officially the Free and Sovereign State of Chiapas, is one of the states that make up the Political divisions of Mexico, 32 federal entities of Mexico. It comprises Municipalities of Chiapas, 124 municipalities and its capital and large ...
, and in northern
Guatemala Guatemala, officially the Republic of Guatemala, is a country in Central America. It is bordered to the north and west by Mexico, to the northeast by Belize, to the east by Honduras, and to the southeast by El Salvador. It is hydrologically b ...
. Occurs in cloud forest at 1200–2300 m altitude. The type locality given is "Cobán, ltaVera Paz, Guatemala."


Conservation status

This species is classified as Vulnerable (VU) on the
IUCN The International Union for Conservation of Nature (IUCN) is an international organization working in the field of nature conservation and sustainable use of natural resources. Founded in 1948, IUCN has become the global authority on the status ...
Red List of Threatened Species The International Union for Conservation of Nature (IUCN) Red List of Threatened Species, also known as the IUCN Red List or Red Data Book, founded in 1964, is an inventory of the global conservation status and extinction risk of biological spe ...
with the following criteria: B1ab(iii,v) (v3.1, 2001). A species is listed as such when the best available evidence indicates that the extent of occurrence is estimated to be less than 20,000 km², the population to be severely fragmented or known to exist at no more than 10 locations, Therefore that a continuing decline has been observed, inferred or projected in the area, extent and/or quality of habitat and in the number of mature individuals. It is therefore considered to be facing a high risk of extinction in the wild.


References


External links

* {{Taxonbar, from=Q727433 Reptiles described in 1860 aurifer Reptiles of Guatemala Taxa named by Osbert Salvin