>This array of potentially puppy-eyed relatives for the domesticated *Canis familiaris, “*changes the conversation,” said Sarah Kienle, a comparative biologist who heads the Baylor University lab researchers reported from. The communicative power of the sad-puppy eye muscles seems “potentially more an ancestral trait rather than something that’s evolved as part of this dog-human relationship.”
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>This array of potentially puppy-eyed relatives for the domesticated *Canis familiaris, “*changes the conversation,” said Sarah Kienle, a comparative biologist who heads the Baylor University lab researchers reported from. The communicative power of the sad-puppy eye muscles seems “potentially more an ancestral trait rather than something that’s evolved as part of this dog-human relationship.”
Read [more here,](https://www.sciencenews.org/article/coyotes-face-muscles-sad-puppy) and the [research here.](https://royalsocietypublishing.org/doi/10.1098/rsos.241046)
How much domestic dog DNA in the small n of coyotes they investigated?