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Leptodactylus fallax
''Leptodactylus fallax'', commonly known as the Giant Ditch Frog, is a species of frog that is native to the Caribbean islands of Dominica and Montserrat. The population has declined 80% in the last ten years and this species is now critically endangered.〔 Database entry includes a range map and justification for why this species is critically endangered〕 In 2004 it was estimated that the population possibly was as low as 8000 individuals.〔 One of the main threats is human consumption. The fungal disease chytridiomycosis has also had a dramatic effect on the population. Locally, it is known as the Mountain Chicken for its large size and the fact it is hunted for food.
==Description==
The Giant Ditch Frog is one of the largest frogs in the world, with adult females growing up to long. It is highly variable in colour, with the upperparts varying from a uniform chestnut-brown to being barred or even spotted.〔(AmphibiaWeb ) (September 2010)〕 The colour becomes more orange-yellow on the sides of the body, and pale yellow on the underparts.〔 A black line runs from the snout to the angle of the mouth, and the upper-legs often have broad banding.〔〔 The mountain chicken also has a distinctive, dark-outlined fold from the back of the head to the groin, and large, conspicuous eyes with dark pupils and a golden iris.〔〔Schwartz, A. and Henderson, R.W. (1991) Amphibians and Reptiles of the West Indies: Descriptions, Distributions and Natural History. The University of Florida Press, Florida.〕 The body is robust, with a large head and well-muscled legs.〔 The male mountain chicken may be distinguished from the female by its smaller size, and by the black 'spur' on each of its thumbs, which are used to clasp the female during amplexus (the mating embrace).〔
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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