Assertion: starling's behaviour | /r/HasProperty | referred by german verb zirkeln
Facets:
Source sentences:
text: Many species search for prey such as grubs by "open-bill probing", that is, forcefully opening the bill after inserting it into a crevice, thus expanding the hole and exposing the prey; this behaviour is referred to by the German verb zirkeln (pronounced [ˈtsɪʁkl̩n]).