Assertion: trumpeter swan's feather | /r/HasProperty | eye-catching
Facets:
value: on a spiraling bird
type: LOCATION
Source sentences:
text: Some pigeons respond by rolling away in midair, and on a spiraling bird, white rump feathers can be eye-catching, which means that a patch of them may divert a hungry raptor's focus long enough to make the carnivore miscalculate and zip right past its intended victim.