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The species has been spread to a number of other countries outside of its range , including Colombia , Singapore , and Hong Kong , the latter of which reports a negative impact on native species due to its prodigious breeding .
 Colombia, Singapore, Hong Kong
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Colombia, Singapore, Hong Kong