Nature is full of animals that mimic others — parrots copy human speech, some insects disguise themselves as dangerous species, and even household pets occasionally try to imitate their wilder ...

Computer scientist Kenny Zhu has built what he says is the world’s largest video and audio catalog of canine vocalizations.

“If my dog would growl at me during an interaction, not a playful growl during a playing interaction, but a warning and threatening growl, I would question the relationship I have built. For me it ...

Tamás Faragó told Newsweek: "We should look at their behavior, how they interact with humans and how they live together with ...

"My dog, specifically at nighttime, will randomly growl... I was just petting her gently, and she growled. Other nights, we will just simply move, and she will be lying in her crate, and she'll growl.