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brown anole
The brown anole (''Anolis sagrei''), also known as the Bahaman anole or De la Sagra's Anole,〔(【引用サイトリンク】publisher=The Central Pets Educational Foundation )〕 is a lizard native to Cuba and the Bahamas. It has been widely introduced elsewhere, by being sold as a pet lizard, and is now found in Florida and as far north in the United States as southern Georgia, Texas, Hawaii, Southern California. It has also been introduced to other Caribbean islands and Taiwan in Asia.
This species is highly invasive.〔Kolbe, J.J., R.E. Glor, L.R. Schettino, A.C. Lara, A. Larson and J.B. Losos (2004). 'Genetic variation increases during biological invasion by a Cuban lizard ''Nature'' 431:177-181.〕 In its introduced range, it reaches exceptionally high population densities, is capable of expanding its range very quickly, and both outcompetes and consumes many species of native lizards.〔Losos, J.B., J.C. Marks and T. W. Schoener. (1993). Habitat use and ecological interactions of an introduced and a native species of Anolis lizard on Grand Cayman, with a review of the outcomes of anole introductions. ''Oecologia'' 95:525-532〕〔Campbell, T.S. (2000). Analysis of the effects of an exotic lizard (''Anolis sagrei'') on a native lizard (''Anolis carolinensis'') in Florida, using islands as experimental units. PhD Thesis, Univ. of Tennessee.〕〔Gerber, G.P. and Echternacht, A.C. (2000). Evidence for asymmetrical intraguild predation between native and introduced Anolis lizards. ''Oecologia'' 124: 599-607.〕 The brown anole's introduction into the United States in the early 1970s has altered the behavior and triggered a negative effect on populations of the native Carolina anole (''Anolis carolinensis'', also known as the green anole), which have generally been relegated to the treetops.
==Description==
The brown anole is normally a light brown color with darker brown to black markings on its back, and several tan to light color lines on its sides. Like other anoles, it can change color, in this case a darker brown to black. Its dewlap ranges from yellow to orange-red. The males can grow as large as their green anole male counterparts, around long, with some individuals topping . The females are also around the size of female green anoles: . The male brown anole's head is smaller than that of the male green anole. Also, the brown anole's tail has a ridge that travels all the way up to behind the head, a feature the green anole lacks.
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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