Assertion: petrel's leg | /r/HasProperty | strong
Facets:
value: for procellariiformes
type: OTHER
Source sentences:
text: Both giant petrels have strong legs and can move around on land effectively.
text: They are also the only members of the Procellariidae family to have strong enough legs to walk effectively on land.
text: The legs are strong for Procellariiformes, making them and the giant petrels the only members of that order that can walk well on land.