Assertion: rat | /r/CapableOf | grind their teeth
Facets:
Source sentences:
text: Rats may grind their teeth when stressed or in pain, but tooth-grinding is typically a rat’s way of expressing contentment and relaxation.
text: When they’re happy or playing, rats will grind their teeth, chatter and vibrate their eyes while making little laughter sounds.
text: When happy, rats have been observed to chatter or grind their teeth.
text: Rats grind their teeth
text: But did you know that rats grind their teeth too?
text: But rats may also grind their teeth when they are upset or stressed to try to sooth themselves, which is again similar behaviour to cats and purring!