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Yellowstone Wolf Project
25 years of world-class research
The internationally acclaimed Yellowstone Wolf Project oversees research and monitoring of wolves in Yellowstone. Of paramount importance in 2021-2022 is additional GPS collaring of wolves. With recent developments in the state of Montana, the team aims to collar additional wolves this winter in an effort to track and monitor more of Yellowstone’s top predators. Yellowstone Forever is raising critical funds needed for these efforts: GPS collars cost $2,500 each and VHF collars cost $600 each. Funds raised will also be used for monitoring flights which are key to locating wolves in Yellowstone’s vast wilderness.
The Yellowstone Wolf Project program is one of the most detailed studies of a large carnivore in the world, spanning over 25 years since wolves were first reintroduced to the park in 1995. Year-round field research helps biologists gain data on a broad range of topics, including population dynamics, predator-prey interactions, social behavior, genetics, disease, multi-carnivore competition, ecosystem impacts, and human-wolf relationships. Collectively, this work serves the park’s mission to understand and preserve native species and ecological processes, and informs wolf conservation efforts worldwide.
Dive into the 25 years of wolf recovery the ecosystem with this new book from the Yellowstone Wolf Project, Yellowstone Wolves: Science and Discovery in the World’s First National Park. This important book offers the most complete synthesis of the history, science, and management of wolves in Yellowstone. Order a copy today, and proceeds go to supporting the Yellowstone Wolf Project. Buy Now.
What needs to be done
Knowledge of Yellowstone’s wolf population and their role in the ecosystem requires year-round monitoring and research. Using skilled field staff and emerging technologies, we are able to collect vital data using the following methods:
- VHF and GPS collaring of wolves
- Ground observations and telemetry monitoring by skilled field staff
- Aerial monitoring flights and GPS satellite data
- Population, pack composition, and pup counts
- Genetic analyses and disease testing
- Seasonal predation studies
- Behavioral studies
- Territory use and multi-species interactions from VHF/GPS collar data
The Yellowstone Wolf Project relies on the funding from Yellowstone Forever’s members and corporate partners to continue this crucial research on Yellowstone’s wolves.
What we’ve accomplished
The wolf, one of Yellowstone’s most important predators, roamed the landscape and influenced the ecosystem for thousands of years. By the late 1920s, wolves were eradicated from Yellowstone in an effort by the U.S. government to tame the wilderness. Along with the removal of other carnivores like cougars and bears, this action had a profound effect on Yellowstone. In the absence of carnivores, elk numbers boomed which resulted in significant changes in vegetation. Beavers became increasingly rare, and food web dynamics were significantly altered. With the loss of the wolf, the park was missing a keystone species that altered the structure and function of the entire ecosystem.
Starting with the watershed Endangered Species Act in the 1970s, and finally in 1995 with all the pieces in place, fourteen gray wolves were captured in Canada and relocated to Yellowstone’s Lamar Valley. In 1996, 17 more Canadian wolves were brought into the park, followed by 10 wolves from northwestern Montana in 1997. The wolf population grew quickly, as pack territories and breeding pairs were established.
This monumental undertaking marked the first deliberate attempt to return a top-level carnivore to a large ecosystem. The impacts of wolf recovery have been significant. With their return, Yellowstone’s large carnivore community is fully restored and wolves are once again playing a critical role in Yellowstone’s natural ecological processes.
Yellowstone Forever provides approximately 60% of the Wolf Project’s yearly budget through private funds.