Assertion: hawk's eyesight | /r/HasProperty | keen
Facets:
Source sentences:
text: Although all hawks have certain basic similarities such as keen eyesight, hooked beaks and taloned feet, a wide diversity of forms and sizes exists among them.
text: Both eagles and hawks have keen eyesight which facilitates detection of food.
text: Like all other Buteos, they do not fly fast but soar at high altitudes using their keen eyesight to spot the slightest movement in the grass below.
text: Red-tailed hawks have keen eyesight and can spot prey from great distances.