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The diversity of wildlife in Costa Rica is very high ; there are 441 species of amphibians and reptiles , 838 species of birds , 232 species of mammals and 181 species of fresh water fish .
 Costa Rica
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Costa Rica