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The " Haliaeetus " and " Ichthyophaga " eagles prefer to capture fish , though the species in the former often capture various animals , especially other water birds , and are powerful kleptoparasites of other birds .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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