Assertion: osprey | /r/HasAspect | keen eyesight
Facets:
value: very
type: DEGREE
Source sentences:
text: They have keen eyesight and look for fish while hovering about the water (from 30-130 feet).
text: They have very keen eyesight and percevie light in the UV spectrum, making some fish with iridescent markings, like flounder, easy prey.