Assertion: booby | /r/CapableOf | confine their nesting
Facets:
value: to sites on small offshore islets
type: TRANSITIVE-OBJECT
Source sentences:
text: On Ascension Island and St. Helena in the South Atlantic, for example, tropic birds, frigate birds, and boobies, which used to breed in large numbers on the main islands, have either been exterminated or have been forced to confine their nesting to sites on small offshore islets.