Assertion: grasshopper's predator | /r/CapableOf | hunt by sight
Facets:
value: to detect them
type: PURPOSE
Source sentences:
text: Grasshoppers are often camouflaged to avoid detection by predators that hunt by sight; some species can change their coloration to suit their surroundings.
text: Some species have adopted colourings, shapes, and patterns that make it difficult for predators that hunt by sight to detect them.