Assertion: common raven | /r/HasAspect | larger bills
Facets:
value: in the arctic
type: LOCATION
Source sentences:
text: Throughout higher altitudes including the Himalayas, the common raven tends to be larger in body size with a larger bill size, in southern parts of the world the common raven tends to be smaller in size with a smaller bill, and in the Arctic, common ravens are found to have larger bills; there is much variation amongst common ravens throughout the world.
text: The common ravens that live within the Arctic are thought to have larger bills because they have to feed on prey larger than most other members of their species (Goodwin 1986).