Kira Cassidy is a wildlife biologist for the Yellowstone Wolf Project, an initiative managed by the National Park Service and ...

In an extraordinary feat of resilience and survival, Wolf 907F, an alpha female gray wolf in Yellowstone National Park, has given birth to her 10th litter of pups at the remarkable age of 11. This ...

Wildlife watchers, while mourning the loss of 907F, also celebrated that she could "die the way of the wolf," not as a result of contact with a human or vehicle.

She wasn’t killed by a hunter. She wasn’t killed by a car. She never got into any trouble. She got to live and die as a wild wolf.” ...

Wolf and wildlife advocates are mourning the loss of the wolf, officially named 907F but known as “Queen of the Wolves” among her fans and followers. She was the longtime leader of the park ...