About: http://webisa.webdatacommons.org/359365871

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	One explanation is that they are signaling their presence to boats or other whales.
http://www.w3.org/ns/prov#wasQuotedFrom	mikesevernsdiving.com