Assertion: tern's call | /r/CapableOf | swoop at intruder
Facets:
Source sentences:
text: Eight other calls have been described, from begging calls made by females during mating to attack calls made while swooping at intruders.
text: Eight other calls have been described, from begging calls made by females during mating to attack calls made while swooping at intruders.
text: Eight other calls have been described, from begging calls made by females during mating to attack calls made while swooping at intruders.