Yellowstone January 2018 - Matt Francis
The wolf that broke my heart.   Separated (temporarily) from her pack, she howled the most mournful sound I've ever heard.  She kept looking back to where her pack had been.   This was at Slough Creek on our last morning in the park.

The wolf that broke my heart. Separated (temporarily) from her pack, she howled the most mournful sound I've ever heard. She kept looking back to where her pack had been. This was at Slough Creek on our last morning in the park.