Assertion: nuthatch's leg | /r/HasProperty | strong
Facets:
Source sentences:
text: Nuthatches are very agile birds that can easily creep up and down tree trunks using their strong legs.
text: But nuthatches, which have very short tails, hold on entirely with strong legs and toes, keeping a firm grip as they clamber up, down and around trunks, branches and twigs.
text: They have strong legs, feet and claws that help them grasp the bark as they move in all directions up and down a tree.