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Spondylurus powelli
The Anguilla Bank skink ''(Spondylurus powelli)'' was discovered in the Caribbean with 20 other reptile species and was immediately listed as an endangered species. The population of this lizard has been decreasing due to the introduction of the mongoose originally to control rats in sugarcane fields, and now is an invasive species to the Caribbean Islands.〔(【引用サイトリンク】title=A new skink fauna from Caribbean islands (Squamata, Mabuyidae, Mabuyinae) )〕 Many of the newly added skink species discovered along with the Anguilla Bank Skank Lizard are facing extinction for the same reason. Skinks are unique and perhaps at a disadvantage among lizards as they produce a human-like placenta and participate in live birth. The average gestation period is suggested at one year and may be the cause for the skinks being an easy target to the mongoose since they are larger and slower when pregnant and love to have sex. Other types of human activity, along with the deforestation in the Caribbean are thought to have decreased overall species numbers as well.〔(【引用サイトリンク】title=24 New Species of Lizards Discovered on Caribbean Islands are Close to Extinction )〕
== References ==
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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