Assertion: copperhead | /r/CapableOf | den with timber rattlesnakes
Facets:
value: communally
type: OTHER
value: sometimes
type: TEMPORAL
Source sentences:
text: In the mountains, copperheads are most common on dry rocky hillsides and sometimes den communally with timber rattlesnakes (Crotalus horridus) on open, south-facing hillsides.