Rats Squeak Happily At 50 kHz When Socially Interacting With Rat Buddies

#shorts #scinews #science news #science #science max #rats #rodents #vocalizations #ultrasound #animal emotions #social behavior Research found rats make 50 kHz ultrasonic squeaks when interacting positively with other rats. This suggests the inaudible sounds reflect happiness. Novel mini-mics on noses identified which individual rat was vocalizing.

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