Assertion: darkling beetle | /r/CapableOf | stand on their head
Facets:
Source sentences:
text: When disturbed, some darkling beetles assume a defensive posture where they stand on their head and release chemicals from scent glands in their rear-end that produces noxious odors and can turn skin brown.
text: When they're disturbed, they stand on their heads and run around randomly, earning them the name "clown beetles.