Assertion: aldabra tortoise | /r/CapableOf | consume some of the invertebrates
Facets:
value: occasionally
type: DEGREE
value: as their main source of protein
type: PURPOSE
Source sentences:
text: Aldabra tortoises usually eat leaves and grasses that provide them with sufficient amounts of fibres, and occasionally they consume some of the invertebrates as their main source of protein (Eskildsen et al., 2004).