Assertion: bird's back | /r/HasProperty | saddle
Facets:
Source sentences:
text: Roosters can usually be differentiated from hens by their striking plumage of long flowing tails and shiny, pointed feathers on their necks (hackles) and backs (saddle), which are typically of brighter, bolder colours than those of females of the same breed.
text: These long feathers actually grow from the bird's back not the tail.