First For Wildlife

Promoting conservation, outdoor education, and humanitarian programs worldwide.

Weekly Update: Washington Wolf Project

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In 2013, SCI Foundation partnered with the Washington Wolf Project. Researchers from the University of Washington launched the Washington Wolf Project to study how deer behaviorally respond to the presence and absence of wolves, as well as deer survival. The project’s key focus is to investigate how re-colonizing gray wolves are impacting mule and white-tailed deer.

Since 2013 the project has used GPS collars and camera collars to monitor 72 mule deer and 68 white-tailed deer. (Camera collars are GPS collars with a built-in video camera that allows you to capture footage from the field and see what the animals see in the wild.) Both collar types have been deployed in wolf and non-wolf areas. To date 24 deer have died, with hunting being the primary cause of mortality.

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Researchers have also deployed 64 remote game cameras across the landscape in a grid. This has allowed them to collect data on multiple predators and prey throughout the areas. They are also using them to monitor the presence of wolves and the foraging behavior of deer. The remote game cameras will continue to collect images of wildlife to monitor behavior until the study is complete in 2017.

The research is ongoing, but some general findings are starting to take shape. Wolves do not appear to be a major source of mortality for mule deer and white-tailed deer in this study; only one deer has been confirmed to have been killed by wolves. This does not mean wolves do not eat deer; deer hair is regularly detected in wolf scat. But they may not be killing enough deer to impact their population numbers. However, this does not mean wolves have no effect on deer. Deer may be shifting their habitat use due to wolf predation risk, which can impact deer nutrition and their susceptibility to other predators, including humans.

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This research is already beginning to show the impacts wolves have on deer populations in Washington. The Washington Department of Fish and Wildlife is interested in expanding the research to further explore how wolf-prey interactions might necessitate a change in ungulate and predator management strategies. The expanded study could provide scientific evidence to help update the state’s wolf management plan.

Twice a week, SCI Foundation informs readers about conservation initiatives happening worldwide and updates them on SCI Foundation’s news, projects and events. Tuesdays are dedicated to an Issue of the Week and Thursday’s Weekly Updates will provide an inside look into research and our other science-based conservation efforts. Follow us on Facebook and Twitter for more SCI Foundation news. 

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