Assertion: grouse's feather | /r/CapableOf | grow over leg
Facets:
value: to help
type: PURPOSE
Source sentences:
text: Feathers grow over their nostrils, legs and toes to help them stay warm and travel over snow.
text: The legs are short and members of the genus Syrrhaptes have feathers growing on both the legs and toes and no hind toes, while members of the genus Pterocles have legs feathered just at the front, no feathers on the toes and rudimentary hind toes raised off the ground.