Assertion: dolphin's eyesight | /r/HasProperty | poor
Facets:
value: very
type: DEGREE
Source sentences:
text: Unlike other species of dolphin the Amazon river dolphin has very poor eyesight and cannot rely on its eyes to search for food or navigate the rivers.
text: Amazon river dolphins have small eyes and poor eyesight because they live in murky waters (with low visibility).
text: South Asian river dolphins rely on echolocation to find prey due to their poor eyesight.