Assertion: rattlesnake's rattle | /r/HasProperty | loud
Facets:
Source sentences:
text: Unlike other rattlesnakes, which may have loud rattles, pygmies produce a much softer sound (almost a whirring, thus giving them the nickname "buzzworm").
text: Two of their primary adaptations serve this purpose: Their cryptic patterns help them to avoid detection altogether; if this fails, their loud rattles help to keep predators at bay before the encounter becomes physical.