About: http://webisa.webdatacommons.org/114233151

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	Common tern is on the left, Arctic on the rightPhoto by Steve G Common and Arctic Terns are a species pair easily confused.
http://www.w3.org/ns/prov#wasQuotedFrom	birdforum.net