Assertion: common raven | /r/CapableOf | become separated
Facets:
value: during an ice age
type: TEMPORAL
Source sentences:
text: One explanation for these genetic findings is that common ravens settled in California at least two million years ago and became separated from their relatives in Europe and Asia during an ice age.
text: One explanation for these genetic findings is that common ravens settled in California at least two million years ago and became separated from their relatives in Europe and Asia during an ice age.