Assertion: northern elephant seal | /r/CapableOf | migrate thousands of miles
Facets:
value: twice a year
type: TEMPORAL
Source sentences:
text: It spends eight to ten months a year in the open ocean, diving 1000 to 5800 feet deep for periods of fifteen minutes to two hours, and migrating thousands of miles, twice a year, to its land-based rookery for birthing, breeding, molting, and rest.