Assertion: gull's parent | /r/CapableOf | locate one another
Facets:
value: by call
type: MANNER
Source sentences:
text: Parents and chicks can locate one another by call, and siblings also recognise each other's vocalisations from about the twelfth day after hatching, which helps to keep the brood together.
text: Parents and chicks can locate one another by call, and siblings also recognise each other's vocalisations from about the twelfth day from hatching, which helps to keep the brood together.