About: http://webisa.webdatacommons.org/97639438

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	As you mentioned, birds and other animals may dig it out and get entangled.
http://www.w3.org/ns/prov#wasQuotedFrom	besgroup.org