![]() ![]() Primarily aquatic, they eat a wide variety of prey, almost anything they can manage to overpower, including fish, birds, a variety of mammals, and other reptiles. The minimum size of breeding anacondas in a survey of 780 individuals was 2.1 m (6.9 ft) in snout-vent length, indicating that maximum size attained by anacondas following this pattern would be 5.3 m (17 ft) in snout-vent length. This is consistent with the results of a revision of the size at maturity and maximum size of several snakes from North America, which found that the maximum size is between 1.5m and 2.5m, the size at maturity. Size presents challenges to attain breeding condition in larger female anacondas and while larger sizes provide the benefit of larger number of offspring per clutch, the breeding frequency of the individuals reduces with size, indicating that there’s a point in which the advantage of larger clutch size is negated by the female no longer being able to breed, for the anaconda, this limit was estimated at approximately 6.7 m (22 ft) in total length. Numerous historical accounts of green anacondas are reported, often of ridiculously improbable sizes. The eyes are set high on the head, allowing the snake to see out of the water while swimming without exposing its body. ![]() The head is narrow compared to the body, usually with distinctive orange-yellow striping on either side. The colour pattern consists of olive green background overlaid with black blotches along the length of the body. Reports of anacondas 35–40 feet or even longer also exist, but such claims need to be regarded with caution, as no specimens of such lengths have ever been deposited in a museum and hard evidence is lacking. It is the largest snake native to the Americas.Īlthough it is not as long as the Reticulated python, Eucentes murinus is probably the heaviest extant species of snake or squamate in the world, perhaps only rivalled by the Komodo dragon. ![]()
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