About: http://webisa.webdatacommons.org/212115556

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Their population has been threatened in recent years by urbanization, disease and predators including the raven.
http://www.w3.org/ns/prov#wasQuotedFrom	sandiegozoo.org