A dog was seen jumping out of a car window and chasing a wolf in Yellowstone Friday. A tour guide captured photographs of the ...

A German shepherd showed its predator instincts Friday, leaping from a vehicle and chasing a wolf in Yellowstone National ...

A group of tourists witnessed an extraordinary scene in Yellowstone National Park on Friday as a German Shepherd leaped from ...

According to Yellowstone Forever ... Greta’s mom reveals Cheryl has also been doing this to her German Shepherd pal. How funny! This precious pairing enchanted people. Viewer @GabrielleDoucette ...