Assertion: grouse's leg | /r/HasProperty | covered with feather
Facets:
value: unlike many other species
type: OTHER
value: to facilitate walking
type: PURPOSE
Source sentences:
text: Legs and feet of rock ptarmigan are covered with feathers to facilitate walking on the snow and prevent loss of body heat during the winter.
text: Their legs are also covered by feathers, unlike many other species.
text: Legs and toes of the bird are covered with feathers which will be quite useful for them to walk in the snow and burrowing for shelter.