Assertion: mockingbird | /r/CapableOf | switch in mid-frequency sweep
Facets:
value: between sides of the syrinx
type: LOCATION
Source sentences:
text: We found that when a mockingbird sings a cardinal song it usually mimics the vocal mechanism of the cardinal, switching between sides of the syrinx in mid-frequency sweep, but the switch is seldom as seamless or the frequency sweep as smooth as when the cardinal sings it.