51887
The estuary is a federally protected wetland and wildlife refuge that is home to a number of endangered bird species , including the light-footed clapper rail , the California least tern , the least Bell 's vireo and the American peregrine falcon .
 California, Bell
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; word3, word4". 
Option: ethnicity, place lived, geographic distribution, company industry, country of administrative divisions, administrative division of country, location contains, person of company, profession, ethnicity of people, company shareholder among major shareholders, sports team of location, religion, neighborhood of, company major shareholders, place of death, nationality, children, company founders, company founded place, country of capital, company advisors, sports team location of teams, place of birth 
Text: {0} 
Answer:
 California, Bell