83919
It is the largest and least populous of the five species of true accipitrid to occur as a breeding species in both the Palearctic and the Nearctic .
 Palearctic, Nearctic
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Palearctic, Nearctic