Assertion: porpoise's population | /r/CapableOf | move for the summer
Facets:
value: generally
type: DEGREE
value: south for the winter
type: TEMPORAL
value: north
type: LOCATION
Source sentences:
text: Thought to be primarily an oceanic species, they do occur coastally in some regions including southern B.C. Migration patterns of offshore populations are poorly known; however, many coastal populations, like those in B.C., are year-round residents through-out much of their range, generally moving north for the summer and south for the winter.