Assertion: cormorant's nest | /r/AtLocation | reef
Facets:
value: atop trees
type: LOCATION
value: with no vegetation
type: OTHER
Source sentences:
text: Nests can be on the ground, on rocks or reefs with no vegetation, or atop trees, which may be alive when a cormorant colony first forms but typically die after a few years from the guano build-up.