TikTok's viral 'talking' dogs and cats inspire a study of animal behavior

Michelle Pierce says her husky Lexi used to be a daddy's girl—that is, until the 7-year-old rescue learned to talk.

Pierce and Lexi have a super cute and entertaining TikTok account with just less than half a million followers. Pierce adopted Lexi when she was 13 months old, and because she struggles with chronic illness,...