11191
The binomial name is of Greek origin ; " Phylloscopus " comes from " / , " leaf " , and " / , " to look at " or " to see " , since this genus comprises species that spend much of their time feeding in trees , while " collybita " is a corruption of " kollubistes " , " money changer " , the song being likened to the jingling of coins .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 None