Assertion: ostrich | /r/CapableOf | swallow gravel
Facets:
Source sentences:
text: On the other hand the ostrich swallows gravel and other sharp objects and then uses them as a grinder in its stomach to help break down and digest food that it swallows.
text: These sharp objects in the ostriches stomach, known as gizzard stones, slowly break down over time from use, which means the ostrich needs to regularly eat more gravel, glass and other sharp bits to keep its stomach functioning properly.