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A green iguana is a large, tree-dwelling lizard native to Central and South America that gets its name from its typically green coloration. These reptiles are popular in the pet trade and play a role in their natural ecosystems as herbivores, though they face threats from habitat loss and have become invasive in some regions where they've been released.
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Species
Least Concern二名法 Iguana iguana（Linnaeus, 1758）[1] 美洲鬣蜥（學名：Iguana iguana）又名绿鬣蜥，是一種生活在樹上的大型蜥蜴，頭尾全長可以超過一公尺，壽命可長達10年以上，以植物的葉、嫩芽、花、果實為食物，為日行性爬蟲類，每胎可產24-45颗卵。主要分布於中美洲的墨西哥至巴拉圭间、南美洲、加勒比海及佛羅里達等地。被列入《濒危野生动植物种国际贸易公约》附录二中。綠鬣蜥常被人作為寵物飼養，中國和部份美洲國家設有養殖場大量飼養綠鬣蜥以作售賣用途。因為人為的飼養及野放，在台灣已成為外來種，在屏東市及等鄰近鄉鎮已建有繁殖族群。 目录 1 習性與行為 2 繁殖期 3 綠鬣蜥與禽龍 4 參考資料 5 外部連結 習性與行為 當綠鬣蜥遇到天敵時，牠們會企圖逃跑，如果剛好靠近水源，牠們會潛入水中並游走。在遇到威脅無法馬上逃走的情況下，綠鬣蜥會朝著侵略者展示喉部下方擴張的垂肉（dewlap），並使身體膨脹和僵硬，發出嘶嘶聲，上下擺動牠的頭部。如果示威對侵略者沒用，綠鬣蜥會用他們的尾巴鞭打，或咬，或是使用尖銳的爪子進行防禦。相較於平常，受傷的綠鬣蜥攻擊較強。 幼體 頭骨 繁殖期 成熟的雄性綠鬣蜥，在繁殖期時，體色會變得鮮豔，呈橘紅色。母蜥和公蜥大概在晚冬時期交配，在早春時產卵。母蜥準備產卵時，會不斷得尋找下蛋的地點，並大量飲用水。 綠鬣蜥與禽龍 首次發現禽龍化石（為一牙齒）的曼提爾醫生以為，其發現的是鬣蜥的牙齒，所以把禽龍命名為Iguanodon。 參考資料 ^ Iguana iguana. Integrated Taxonomic Information System. [2010-10-5] （英语）. 请检查|access-date=中的日期值 (帮助) 寵物世紀 Green Iguana Society Melissa Kaplan's Green Iguana Information Collection
via IUCN
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Encyclopedic overview
The green iguana (Iguana iguana), also known as the American iguana or the common green iguana, is a large, arboreal, mostly herbivorous species of lizard of the genus Iguana. Usually, this animal is simply called the iguana. The green iguana ranges over a large geographic area; it is native from southern Brazil and Paraguay as far north as Mexico. It is highly invasive in many subtropical and tropical environments throughout the world.
A herbivore, it has adapted significantly with regard to locomotion and osmoregulation as a result of its diet. It grows to 1.7 m (5.6 ft) in length from head to tail, although a few specimens have grown more than 2 m (6.6 ft) with bodyweights upward of 9 kg (20 lb).
Excerpted from Wikipedia’s “green iguana” article, available under the CC BY-SA 4.0 licence.
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