Assertion: impala | /r/CapableOf | view their surroundings
Facets:
value: in varying shades of grey
type: OTHER
Source sentences:
text: Like many animals, Impala lack colour vision, instead viewing their surroundings in varying shades of grey, so this prominent flash of black and white acts as a highly visible marker for other individuals to follow during the explosive scattering of the herd that occurs when they are threatened.