PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • This sample is a pair of breeding adults. (54K) The second example illustrates their whistle-croak call common in this species (do not confuse their croak, immediately after the whistle, with the tree frogs also in this recording).
http://www.w3.org/ns/prov#wasQuotedFrom
  • naturesongs.com