Assertion: river dolphin's eyesight | /r/HasProperty | poor
Facets:
value: very
type: DEGREE
Source sentences:
text: Amazon river dolphins have small eyes and poor eyesight because they live in murky waters (with low visibility).
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: They do not have neck mobility, and, lacking a lens, their eyesight is very poor, incapable of forming images on the retina.
text: The baiji’s eyesight was poor and anyway not particularly useful because visibility in the water often wasn’t good.
text: South Asian river dolphins rely on echolocation to find prey due to their poor eyesight.
text: South Asian river dolphins rely on echolocation to find prey due to their poor eyesight.