22025
The roadside hawk may be marginally the smallest hawk in the widespread genus " Buteo " , although Ridgway 's hawk and the white-rumped hawk are scarcely larger .
 Ridgway
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Ridgway