Ptarmigans face a wide range of predators across their habitats. These include:
- Birds of prey: Golden eagles, gyrfalcons, peregrine falcons, merlins, northern goshawks, snowy owls, and great horned owls.
- Mammals: Red foxes, Arctic foxes, wolves, wolverines, weasels, ermine, and squirrels.
- Other birds: Crows, ravens, jays, and magpies.
This diverse predator list reflects the ptarmigan's role as an important prey species in northern ecosystems.