About: http://webisa.webdatacommons.org/209171965

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	The researchers think that the tail feather was ornamental and likely evolved for courtship and other social interactions, not for aerodynamics. linkThe plumage do not enter into it.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com