About: http://webisa.webdatacommons.org/411446772

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	They are monogamous; pairs form during migration or on the wintering grounds, mostly in South America.
http://www.w3.org/ns/prov#wasQuotedFrom	birdinginformation.com