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办美国文凭加拿大文凭澳洲文凭英国文凭学位证毕业证成绩单
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Wendy Ye
Giant Anaconda Attck - Biggest Snake - Longest Snake - Largest snake - Giant Snake - Sucuri Gigante HD VİDEO
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Largest snakes of the world - Historical records
Numerous historical accounts of green anacondas are reported, often of improbable sizes. Several zoologists (notably Henry Walter Bates and Alfred Russel Wallace, among others) note rumors of snakes beyond 30 or 40 feet long, but in each case, their direct observations were limited to snakes of approximately 20 feet in length. Numerous estimates and second-hand accounts abound, but are generally considered unreliable. To prove the point of overestimating, in Guyana in 1937, zoologist Alpheus Hyatt Verrill asked the expedition team he was with to estimate the length of a large, curled-up anaconda on a rock. The team's guesses ran from 6.1 to 18.3 m (20.0 to 60.0 ft); when measured, this specimen was found to be 5.9 m (19.4 ft).
