Assertion: cutthroat trout | /r/CapableOf | have evolved over past two million years
Facets:
value: from other oncorhynchus species
type: OTHER
Source sentences:
text: The cutthroat trout is thought to have evolved over the past two million years from other Oncorhynchus species which migrated up the Columbia and Snake river basins to the Green and Yellowstone river basins.