Assertion: elephant seal's pup | /r/CapableOf | gain about 2 kg
Facets:
value: per day of blubber
type: OTHER
value: during their 12-day nursing period
type: TEMPORAL
Source sentences:
text: During their 12-day nursing period, pups gain about 2 kg (4.4 pounds) per day of blubber, which allows them to attain a weight of approximately 36 kg (79 pounds) at weaning.