Assertion: hoatzin | /r/CapableOf | make hiss
Facets:
Source sentences:
text: Hoatzins are noisy and make a variety of calls, including shrieks, hisses, grunts, and growls.
text: It makes a variety of calls, including hisses, grunting, squawking, and croaking, usually made in conjunction with raising and lowering their wings.