Assertion: female okapi | /r/CapableOf | vocalize with soft chuff
Facets:
value: during courtship
type: TEMPORAL
Source sentences:
text: Normally silent, female okapi vocalize with a soft “chuff” during courtship and when calling to their calves.
text: Normally silent, female okapi vocalize with a soft “chuff” during courtship and when calling to their calves.