Assertion: crow's offspring | /r/CapableOf | raise their own families
Facets:
Source sentences:
text: It is not well understood why these offspring do not obtain mates and raise their own families, but pairs with such helpers do not appear to be more successful at fledging offspring than those without helpers.
text: It is not well understood why these offspring do not obtain mates and raise their own families, but pairs with such helpers do not appear to be more successful at fledging offspring than those without helpers.