Assertion: ball python | /r/CapableOf | form tight ball
Facets:
value: with the head at the centre
type: OTHER
value: with the head at the center
type: OTHER
value: in response to threats
type: CAUSE
Source sentences:
text: Ball pythons are known for the protective mechanism of “balling,” where they form a tight ball with the head at the center in response to threats, earning them their common name, "ball python.
text: Ball pythons are so named because they do indeed form a tight ball, with the head at the centre, when they are threatened.