Assertion: woodpecker's tail | /r/HasProperty | stiff
Facets:
Source sentences:
text: Like all woodpeckers, the great spotted woodpecker has upright posture and a stiff tail that helps it balance against tree trunks.
text: Woodpeckers use their stiff tail as a prop while climbing in order to balance themselves.
text: Woodpeckers use their stiff tail as a prop whereas climbing as a way to steadiness themselves.
text: Woodpeckers use their stiff tail as a prop while climbing in order to balance themselves.
text: Their stiff tails are used to brace themselves while they are drilling.
text: Woodpeckers use their stiff tail as a prop whereas climbing as a way to steadiness themselves.