Assertion: cricket's sound | /r/CreatedBy | prey
Facets:
Source sentences:
text: Likewise, long-eared bats possess prominent ears with geometric inner ridges that sharpen echolocation signals and allow for passive listening of sound produced by prey, such as the fluttering of moth wings.
text: The complex geometry of ridges on the inner surface of bat ears helps to sharply focus echolocation signals, and to passively listen for any other sound produced by the prey.