Assertion: owl's ear opening | /r/HasProperty | asymmetrical
Facets:
Source sentences:
text: Barn owls and eight other species have asymmetrical ear openings.
text: The ear openings in the barn owl’s skull are symmetrical, that is, the right and left ear openings are placed exactly opposite in the skull.
text: They have asymmetrical ear openings, which permit sounds to be perceived in only a fraction of a second—as little as 3/100,000ths of a second.