Assertion: woodpecker's number | /r/CapableOf | migrate in the winter
Facets:
value: to the mouths of canyons
type: TRANSITIVE-OBJECT
value: south
type: LOCATION
value: to oak woodlands
type: TRANSITIVE-OBJECT
Source sentences:
text: When food supplies are scarce, a limited number of the southeastern Arizona population migrates south in the winter to oak woodlands or the mouths of canyons.