56324
Through molecular analyses , it is indicated that " P. kirkii " is more closely related to the Udzungwa red colobus ( " P. gordonorum " ) compared to other red colobus species .
 Udzungwa
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Udzungwa