Assertion: hawk's tail | /r/CapableOf | give their common name
Facets:
Source sentences:
text: While all red-tailed hawks have a yellow cere (waxy, fleshy covering at the base of the upper beak), bill and legs — and all adults have the copper-colored tail that gives them their common name
text: The brick-red tails that give these birds their common name appear after the second year molt.