[17] Young boa constrictors eat small mice, birds, bats, lizards, and amphibians. [27] The female then sheds two to three weeks after ovulation, in what is known as a post-ovulation shed which lasts another 2–3 weeks, which is longer than a normal shed. Snake Species of the World: A Taxonomic and Geographic Reference, vol. The normal or “Wild type” color, typical of most imperator, and “Hypo” color variant. Specimens from Central America are more irascible, hissing loudly and striking repeatedly when disturbed, while those from South America tame down more readily. [27] When the female ovulates, a midbody swell can be noticed that appears similar to the snake having eaten a large meal. [28] These huge numbers of wild-caught snakes have put considerable pressure on some wild populations. There is a debate that the Boa Constrictor Imperator represents a separate species. Boa constrictors generally live on their own and do not interact with any other snakes unless they want to mate. Boa imperator is commonly confused with other Boa species, such as Boa constrictor. Although these individuals are rare in the wild, they are common in captivity, where they are often selectively bred to make a variety of different color "morphs". McDiarmid RW, Campbell JA, Touré T. 1999. & da Cunha, O. BOBACK, S. M. 2005. Though still exported from their native South America in significant numbers, they are widely bred in captivity. After this, the snake may not eat for a week to several months, due to its slow metabolism. This snake species has been a common species in the global pet trade since the 1980s, with 115,131 individuals being exported between 1989 and 2000. Natural history and conservation of island boas (, Global Invasive Species Database (GISD) 2015. Females, the larger sex, more commonly weigh 10 to 15 kg (22 to 33 lb). This coloring gives B. constrictor species the common name of "red-tailed boas." They use constriction as the primary means of incapacitating their prey. Though all boids are constrictors, only this species is properly referred to as a "boa constrictor" – a rare instance of an animal having the same common English name and scientific binomial name. Boa constrictors can sense heat via cells in their lips, though they lack the labial pits surrounding these receptors seen in many members of the family Boidae. They are nocturnal, but they may bask during the day when night-time temperatures are too low. [35], Seven subspecies of Boa c. constrictor have been described, but many of these are poorly differentiated and further research may redefine many of them. "Mesoamerican Lexical Calques in Ancient Maya Writing and Imagery", Boa Constrictor Fact Sheet – Woodland Park Zoo Seattle WA, "Taxonomy and Description of Boa Constrictor", "Boa constrictors' lethal secret revealed", "Stable isotope tracer reveals that viviparous snakes transport amino acids to offspring during gestation", "Who's Your Daddy? [8], One population is found on the Cayos Cochinos (Hog Islands) off the northern shore of Honduras. Boa imperator captive breeders will often breed for a specific color or "morph". As one of the smaller Boa species,[6] they average between 1.3 and 2.5 m in length when fully grown, but have been known to reach 3.7 m.[7] They usually weigh around 6 kg (13 lb), although females are significantly larger than males. ", Other common names include chij-chan (Mayan),[4] jiboia (Latin American), and macajuel (Trinidadian). Boa imperator is part of the family Boidae and is found in Mexico, Central America and South America west of the Andes Mountains (primarily Colombia). Twenty Fourteen Child Theme By Darren Hamill. [17] However, it prefers to live in rainforest due to the humidity and temperature, natural cover from predators, and vast amount of potential prey. Their bite can be painful, especially from large snakes, but is rarely dangerous to humans. Other examples of sexual dimorphism in the species include males generally having longer tails to contain the hemipenes and also longer pelvic spurs, which are used to grip and stimulate the female during copulation. [27] The female then gives birth to young that average 15–20 in (38–51 cm) in length. [5], The boa constrictor is a large snake, although it is only modestly sized in comparison to other large snakes, such as the reticulated python and Burmese python, and can reach lengths from 3–13 ft (0.91–3.96 m) depending on the locality and the availability of suitable prey. The color of the tail may vary from salmon-pink to orange. The Hypo animals naturally occurring Hypo-melanistic trait, making the snakes lose most of their black pigmentation. It is commonly found in or along rivers and streams, as it is a very capable swimmer. [9], Another well known population of Boa imperator is the population from Nicaragua. Their prey includes a wide variety of small to medium-sized mammals and birds. The usual size of mature female boas is between 7 and 10 ft (2.1 and 3.0 m) whereas males are 6 and 8 ft (1.8 and 2.4 m). Gamble, T., Castoe, T. A., Nielsen, S. V., Banks, J. L., Card, D. C., Schield, D. R., Schuett, G. W. & Booth, W. (2017) The Discovery of XY Sex Chromosomes in a Boa and Python. These populations represent the smallest members of the species. Although Boa imperator exhibits almost identical patterns to Boa constrictor, this species often has a darker tail, usually dark brown or very dark red. It takes the snake about 4–6 days to fully digest the food, depending on the size of the prey and the local temperature. These are naturally hypomelanistic, which means that they have reduced melanin, thus are more lightly colored, although they retain the distinctive darker tail that is characteristic of most members of this species. Notably, the species is one of only two in snakes to have a confirmed XY sex chromosome system, as revealed in a groundbreaking study in 2017. The Hypo animals naturally occurring Hypo-melanistic trait, making the snakes lose most of their black pigmentation. Unconsciousness and death likely result from shutting off vital blood flow to the heart and brain, rather than suffocation as was previously believed; constriction can interfere with blood flow and overwhelm the prey's usual blood pressure and circulation. Boa imperator. Nicaraguan Boas have two naturally occurring color variants. After the reticulated python, boa constrictors are the snake most commonly killed for snakeskin products, such as shoes, bags, and other items of clothing. [12], The size and weight of a boa constrictor depends on subspecies, locale, and the availability of suitable prey. [33] In other areas, they are often let loose within the communities to control the rodent populations. As semi-arboreal snakes, young boa constrictors may climb into trees and shrubs to forage; however, they become mostly terrestrial as they become older and heavier. Our baby dwarf boas for sale are healthy proven feeders that make great pet snakes as they do not get too large. Species profile, https://doi.org/10.2305/IUCN.UK.2018-2.RLTS.T203879A2771951.en, http://www.iucngisd.org/gisd/species.php?sc=1439, https://en.wikipedia.org/w/index.php?title=Boa_imperator&oldid=979716643, Articles with unsourced statements from July 2013, Taxonbars using multiple manual Wikidata items, Creative Commons Attribution-ShareAlike License, This page was last edited on 22 September 2020, at 10:58. [9] A report of a boa constrictor growing up to 18.5 ft (5.6 m) was later found to be a misidentified green anaconda. [25] Males were discovered to contain a pair of XY sex determining chromosomes, while females have a XX pair. [17] Like all snakes, boa constrictors in a shed cycle are more unpredictable, because the substance that lubricates between the old skin and the new makes their eyes appear milky, blue, or opaque so that the snake cannot see very well, causing it to be more defensive than it might otherwise be. Nicaraguan’s are often collected in the wild and exported for the pet trade. (Another such animal is the extinct theropod dinosaur Tyrannosaurus rex. The normal or “Wild type” color, typical of most imperator, and “Hypo” color variant. [14] Boa imperators strike when they perceive a threat. The coloring works as a very effective camouflage in the jungles and forests of its natural range. This would allow some of the different 'locales' to be reclassified as sub-species of the newly formed Boa Imperator species. [18] The litter size varies between females but can be between 10 and 65 young, with an average of 25, although some of the young may be stillborn or unfertilized eggs known as "slugs". While not as small as the dwarf insular island populations, adults are still smaller than the larger B. c. constrictor. Nine subspecies are currently recognized, although some of these are controversial. Within the exotic pet trade, it is also known as a "BCC," an abbreviation of its scientific name, to distinguish it from other boa species such as B. c. imperator or "BCI. [22] Reproduction in boas is almost exclusively sexual. Boa constrictors are very popular within the exotic pet trade and have been both captured in the wild and bred in captivity. [1], B. constrictor flourishes in a wide variety of environmental conditions, from tropical rainforests to arid semidesert country. Boa constrictors also occupy the burrows of medium-sized mammals, where they can hide from potential predators.[7].

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