Watch to see Tuna learning how to howl from a doggy friend 🐶 Why do dogs howl? Sometimes dogs howl to announce their presence, but other times they do it in response to high-pitched noises such as sirens and music instruments. 📸: @tunameltsmyheart #VOTD #VideoOfTheDay #TooCuteTuesday | Animal Planet

What’s the significance of the howl to a wolf? “They use it to mark territory. So, they howl together as a pack… They also will howl at intruders to get them to leave,” says Peggy Callahan, who runs the Wildlife Science Center in Minnesota. https://cbsn.ws/3XBwkeu | 60 Minutes