Assertion: ball python | /r/HasProperty | threatened
Facets:
Source sentences:
text: The Ball Python gets its name from the fact that when it is threatened or feels in danger, it will coil into a ball and stick its head tightly into the middle for protection!
text: Since it is a threatened species, exporters are required to have a permit to ship it out of its native land.
text: Ball pythons are so named because they do indeed form a tight ball, with the head at the centre, when they are threatened.