About: http://webisa.webdatacommons.org/90167215

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	Once a potential nest site is chosen, the males point their bills vertically in the air and bellow out calls.
http://www.w3.org/ns/prov#wasQuotedFrom	animaldiversity.org