Assertion: nuthatch | /r/CapableOf | sing out their mobbing calls
Facets:
value: for a false alarm
type: PURPOSE
Source sentences:
text: They found that nuthatches sing out their mobbing calls when they hear predators directly, but not when they hear chickadee alarms alone.
text: If nuthatches sing out their mobbing calls for a false alarm, they would waste precious energy; But ignoring the calls might mean missing a life-saving warning.