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With little information as to its occurrence , status , ecological requirements and the threats it faces , the International Union for Conservation of Nature has rated its conservation status as being " data deficient " .
 International Union for Conservation of Nature
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 International Union for Conservation of Nature