i keep imagining that my cat buddy makes little giggle grunts when i give her scritches and head butts :ablobcatreach:

Animals laugh too, analysis of vocalization data suggests

Human laughter is common, but it's a somewhat mysterious part of our evolution. It's clear to evolutionary scholars that we laugh as a part of play, signaling our cooperation or friendliness. But how did laughter evolve? And are humans the only ones who do it?

I love the facial expression on the hairy dog.

@fitheach me too. expresses a bit of "joy!" with a touch of the promise of "fresh blood!"

The research was a literature review. It would be nice to see some specific research on this topic. I'd be particularly interested in research on dogs, because I know and love them. In fact, I know someone who might do this. I'll drop her an email.

@fitheach that's brilliant. it's important to recognize that animals are people, too. oftentimes, better.

The distance between us and other animals, with regards to behaviour and intelligence, is much smaller than we have assumed in the past. We are increasingly discovering that human-only traits are nothing of the kind.

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