Assertion: black mamba | /r/CapableOf | range in colour
Facets:
value: from gray to dark brown
type: OTHER
Source sentences:
text: The “black,” or black-mouthed, mamba (Dendroaspis polylepis), averaging 2–2.5 metres (6.6–8.2 feet) in length (maximum 3.5 metres), ranges in colour from gray to dark brown but is never actually black.