Assertion: male echidna | /r/CapableOf | use the spur
Facets:
value: on their hind leg
type: LOCATION
value: to communicate with their peers
type: PURPOSE
Source sentences:
text: Sydney researchers have discovered that male echidnas use the spur on their hind leg to communicate with their peers, quite unlike their close relative, the platypus, who use their leg spur as a weapon.