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The young are independent at birth and grow rapidly for the first few years, shedding regularly (once every 1 to 2 months). 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. In addition, they can detect both vibrations in the ground and sound vibrations through the air through their jaw bones. It 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 be otherwise. It is commonly found in or along rivers and streams, as it is a very capable swimmer. The snake's adult length is typically about 10 feet (3 metres), though individuals of more than 18 feet (5.5 metres) have been reported; Central . Simply raising awareness about this species can contribute to its overall protection. Boa constrictor - Wikipedia (O'Shea, 2007; Stafford, 1986), Boa constrictors generally breed during the dry season, usually from April to August, though the timing of the dry season varies across their range. Boa constrictors have not been assessed by the International Union for Conservation of Nature. Boa constrictors tend to live alone. A boa constrictor grows throughout its whole life, which can be 20 to 30 years. May be maintained by periodic fire. Though the boa constrictor is found in a wide variety of habitats, it prefers the rainforests in its range due to the high humidity and temperatures of such habitat. By keeping blood from flowing to the brain, the animal dies. The Argentine boa constrictor (Boa constrictor occidentalis) is silvery gray with an unusual network pattern. Cryptic coloration, also known as camouflage, is an important aspect of survival for tree boas. How does a sea-urchin cactus adapt to its environment? This article focuses on the species Boa constrictor as a whole, and on the nominate subspecies B. c. constrictor. This boa constrictor was named Popeye and died in the Philadelphia Zoo, Pennsylvania, on April 15, 1977. [24] During breeding, the male curls his tail around the female's and the hemipenes (or male reproductive organs) are inserted. Territories may be abandoned if resources or conditions decline. Boa constrictors are semi-arboreal, although juveniles tend to be more arboreal than adults. Young boas are especially vulnerable. [15] They include: The boa constrictor is a large snake, although it is only modestly sized in comparison to other large snakes, such as the reticulated python, Burmese python, or the occasionally sympatric green anaconda, and can reach lengths from 3 to 13ft (0.91 to 3.96m) depending on the locality and the availability of suitable prey. Additionally, pet trade breeders have created many new color morphs that are not seen in wild populations. Most snakes have a reduced left lung and an extended right lung, to better match their elongated body shape. They can weigh more than 100 pounds (45 kilograms) when full grown. The male fertilizes the eggs by joining with the female at the cloaca. How do amphibians survive in their environment? Green Anaconda | National Geographic However, colours and markings frequently vary, not only among the subspecies but also among individuals in the same population. The boa constrictor is a member of the family Boidae, found in tropical South America, as well as some islands in the Caribbean.A staple of private collections and public displays, its color pattern is highly variable yet .