Assertion: caribou's migration | /r/HasProperty | annual
Facets:
Source sentences:
text: Bathurst caribou cross an esker in the northern Northwest Territories during their annual migration.
text: The most important behavior caribou have adapted for survival is their annual migration from their summer range along the north coast to the boreal forests of the Richardson and Ogilvie mountain ranges.
text: We are the first ones in line when caribou start their annual migration to the west.
text: Twice a year, 250,000 caribou pass through Kobuk Valley National Park on their annual migration.
text: We are the first ones in line when caribou start their annual migration to the west.