If you’re in the right place at the right time, you might hear wolves’ iconic “call of the wild” from a distance. But have you ever seen a wolf howl? Thanks to a California Department of Fish and ...

This time of year, the sound of a wolf howl piercing the night can really send shivers up your spine. But that call of the wild isn’t meant to scare you; it’s actually a message to other wolves.

Deep in the heart of Yellowstone National Park, audio recorders roughly the size of hardcover books are documenting wolf barks, elk bugles and bird chirps 24 hours of the day, seven days a week, 365 ...