About: http://webisa.webdatacommons.org/85596137

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 call is a series of moderately low-pitched notes 'orak-orak-orak...', and varies in speed, accelerating at first then slowing after climax.
http://www.w3.org/ns/prov#wasQuotedFrom	environment.gov.au