Assertion: owl's prey | /r/HasProperty | productive
Facets:
Source sentences:
text: Here, among 13,359 prey items, bird constituted 35.9% with primary prey of this group being house sparrow (Passer domesticus) and European greenfinch (Chloris chloris) and that avian prey was more reliable and productive in the area than rodent prey due to the cyclic populations of the latter.