- Caribou: The park is home to the Porcupine caribou herd, one of the largest caribou herds in North America. These caribou migrate through the park during their annual migration.
- Grizzly Bears: Grizzly bears are found throughout the park and are often seen along rivers and in alpine meadows.
- Black Bears: Black bears are also present in the park, but are less common than grizzly bears.
- Wolves: Gray wolves are the top predators in the park and play a crucial role in maintaining the ecosystem.
- Moose: Moose are found in some parts of the park, particularly along river valleys.
- Dall's Sheep: Dall's sheep are found in the mountains of the park and are known for their long, white horns.
- Snowshoe Hares: Snowshoe hares are abundant in the park and serve as an important food source for many predators.
- Ptarmigan: Several species of ptarmigan, including rock ptarmigan and willow ptarmigan, are found in the park.
- Waterfowl: Various species of waterfowl, such as ducks and geese, can be seen in the park's wetlands and lakes during the summer.
- Birds of Prey: Birds of prey, including golden eagles, bald eagles, and various hawk species, are found throughout the park.
- Arctic Ground Squirrels: Arctic ground squirrels are small, active rodents that can be seen scurrying around the park's tundra.
These are just a few of the many animal species that can be found in Ivvavik National Park. The park's diverse habitats, from towering mountain peaks to lush valleys and wetlands, support a rich array of wildlife and contribute to its ecological significance.
