Assertion: grouse's leg | /r/CapableOf | feather at the front
Facets:
Source sentences:
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.