51844
Under current classification , the genus includes approximately 28 species , the second most diverse of all extant accipitrid genera behind only " Accipiter " .
 Accipiter
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Accipiter