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                Emerald Green Tree Boa

                Emerald Green Tree Boa

                Emerald boa, Green tree boa

                Corallus caninus
                Population size
                Life Span
                20 yrs
                400-600 g
                1.8 m

                Emerald tree boas are much like the green tree python. Their color is bright green with a yellow underside. An irregular zigzag stripe goes along their back. Their strong prehensile tail helps them to move between branches in the trees. The vertical pupils of their eyes help them sense movement. Deep hollows in the scales near their mouths enable them to detect heat emitted by their prey.


                Emerald tree boas live in lowland tropical rainforests of the Amazon River basin within the so-called Guiana Shield. Their habitat is amongst trees but they sometimes go down to the ground to lie in the sun.


                Climate zones

                Habits and Lifestyle

                The Emerald tree boa lives a solitary life except for mating purposes. They are nocturnal, hunting at night. During the day they lie coiled up over branches, their head in the middle on top of the coils. They catch most of their prey by while they hang from a branch to snatch them off the ground. Agnostic or fighting behavior between males in captivity has been observed when they are housed together with a female, consisting of mounting, chasing, and writhing their bodies until one male becomes dominant. The dominant snake will then pursue the other and overpower it, constricting its neck with the end of its body.

                Diet and Nutrition

                Emerald tree boas are carnivores that eat birds and small mammals, including rats, bats, squirrels, lizards and even monkeys. The young will also eat small reptiles and amphibians. When in captivity, feeding them every two weeks with mice is a sufficient diet. They do not produce any venom.

                Mating Habits

                PREGNANCY DURATION
                6-7 months
                BABY CARRYING
                20 snakelets
                INDEPENDENT AGE
                at birth
                FEMALE NAME
                MALE NAME
                BABY NAME

                Breeding season lasts from April to July, mating usually beginning once females reach 4 to 5 years old and males 3 to 4 years old. The boas breed every second year. Females produce up to 20 babies following a 6-7-month gestation period. Their eggs hatch internally, with the young being born live. Baby snakes are brick-red, bright red, orange, or yellow and become green after a year. They are able to climb and look after themselves from birth, not needing any care from their parents.


                Population threats

                The major threat is collection for the pet trade. Emerald tree boas are increasingly sought by humans in recent years, as their beauty is pleasing. Loss of the boa's habitat is a concern, though most of their habitat is under little or no pressure.

                Population number

                According to IUCN Red List, Emerald tree boa is regularly encountered in Venezuela, although in Suriname and Brazilian Guiana this species is rather scarce in nature or at least difficult to locate. Emerald tree boa is classified as Least Concern (LC) on IUCN Red List. No estimate of population size is available for this species.

                Ecological niche

                Emerald tree boas help to control populations of small mammals, especially rodents.

                Fun Facts for Kids

                • The tail of this boa is prehensile, allowing them to grasp and hold objects. They are so strong they can grip with their necks.
                • These boas and green tree pythons are the only snakes that sit in trees coiled up in the same manner, though they are not closely related.
                • Compared to other boas, this one has far more heat sensors in the area around its mouth.
                • Snakes rely on their strong sense of smell to locate predators and prey.
                • Baby snakes are born bright yellow, red or orange, their color gradually changing to green by when they are about four months old.


                1. Emerald Green Tree Boa Wikipedia article - https://en.wikipedia.org/wiki/Emerald_tree_boa
                2. Emerald Green Tree Boa on The IUCN Red List site - http://www.iucnredlist.org/details/203208/0

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