Assertion: peacock's feather | /r/HasProperty | dull
Facets:
value: in colour
type: OTHER
Source sentences:
text: Some feathers, particularly female bird feathers, are dull in colour for the specific reasons of safety and camouflage while male bird feathers are generally colourful for the purpose of displaying and for finding a mate.
text: On the other hand, peahens have more than one hundred feathers slightly on their train, which are dull hence not attractive to watch.