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The Malayan tiger ( Panthera tigris jacksoni ) is a tiger subspecies that inhabits the southern and central parts of the Malay Peninsula and has been classified as endangered by IUCN in 2008 as the population was estimated at 493 to 1,480 adult individuals in 2003 ; none of the three subpopulations likely harbors more than 250 mature breeding individuals , with a declining trend .
 IUCN
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 IUCN