About: http://webisa.webdatacommons.org/110936718

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 rarely found in close association with other cetacean species (Read, A.J., 1999).Porpoises are difficult to approach and follow, generally avoiding boats and other human activity.
http://www.w3.org/ns/prov#wasQuotedFrom	nhm.ac.uk