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The Kingston Parakeets , also known as the Twickenham Parakeets , are feral Rose-ringed Parakeet s ( Psittacula krameri ) that live in the suburbs around Kingston and Twickenham , South London , England , numbering at least 6,000 , with some estimates as high as 50,000 individuals .
 Kingston, Twickenham, Kingston, Twickenham, London, England
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Kingston, Twickenham, Kingston, Twickenham, London, England