Assertion: bird song | /r/CapableOf | cover full range
Facets:
value: to the limits of human hearing
type: OTHER
Source sentences:
text: Birds’ range of hearing is similar to our own, and bird song covers the full range to the limits of human hearing, from the lowest hooting sounds of Great Gray Owl or Spruce Grouse to the highest songs of Blackburnian Warbler or Golden-crowned Kinglet.