74997
They are absent from the south west of South America , the far north and north west of North America , and the driest areas of the Middle East and North Africa ( although they occur there as passage migrants ) .
 South America, North America, Middle East, North Africa
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:
 South America, North America, Middle East, North Africa