49977
In the Waterberg Biosphere , chacma baboon comprised 20.2 % of leopard kills and 18.7 % of the leopard 's prey biomass .
 Waterberg Biosphere
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Waterberg Biosphere