Assertion: proboscis monkey's group | /r/HasProperty | higher level social entity
Facets:
Source sentences:
text: Groups are often found near one another, especially coming together at sleeping sites at the end of the day and there is a higher level social entity (the band) formed through the fission and fusion of groups with one another (Macdonald 1982; Bennett & Sebastian 1988; Rajanthan & Bennett 1990; Bennett & Gombek 1993; Boonratana 1993; Yeager 1995; Boonratana 2002).