Assertion: mother seal | /r/CapableOf | limit their lactation periods
Facets:
value: in groups
type: LOCATION
value: on land
type: LOCATION
Source sentences:
text: In many cases, mother seals must be separated from their foraging grounds to take care of their offspring: if they can locate on ice, they can still feed and not abandon the pups, but on land, in groups called rookeries, they must limit their lactation periods so they can go without eating for a period of four or five days.