About: http://webisa.webdatacommons.org/398211619

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	Voice, especially call, will be the best way to distinguish them, and identifying individual birds from photographs may be impossible in some cases.
http://www.w3.org/ns/prov#wasQuotedFrom	sibleyguides.com