Assertion: petrel's stomach oil | /r/HasProperty | an energy-rich
Facets:
Source sentences:
text: Stomach oil is an energy-rich (its calorific value is around 9.6 kcal/g) oil created by partly digested prey in a part of the fore gut known as the proventriculus.
text: The meals are composed of fresh squid, fish, and krill, as well as stomach oil, an energy-rich food that is lighter to carry than undigested prey items.
text: Stomach oil is an energy-rich (its calorific value is around 9.6 kcal/g) oil created by partly digested prey in a part of the fore gut known as the proventriculus.