Assertion: hummingbird's sound | /r/HasProperty | high-pitched
Facets:
value: high
type: DEGREE
value: very
type: DEGREE
Source sentences:
text: When courting, the male Anna's hummingbird ascends some 35 meters before diving over an interested female at a speed of 27 m/s, equal to 385 body lengths/second, producing a high-pitched sound.
text: The sound is very high frequency, and just audible to humans.
text: Some hummingbirds produce a high-pitched sound at the bottom of the dive.
text: Hummingbirds chatter and make high-pitched sounds to “vocalize”.
text: The sound is very high frequency, and just audible to humans.