The Woodland Park Zoo is leading the way in protecting many of our vital animal pals throughout the Northwest. Check the link at the bottom to see exactly how you can help. There are a number of ways you can help without spending any money.
We conduct our wolverine project in partnership with the US Forest Service, the Washington Department of Fish and Wildlife, and other collaborators. Our priorities include developing survey methods suitable for detecting these wide-ranging animals, monitoring wolverine distribution in the Cascades, and evaluating the population’s response to climate change.
We also actively engage in efforts to maintain and enhance habitat connectivity for wolverines and other montane species via participation in the Washington Wildlife Habitat Connectivity Working Group and other collaborative efforts.
Wolverines (Gulo gulo) are the largest terrestrial member of the weasel (or mustelid) family, which includes martens, mink, otters, and other species. Typically weighing 20–40 pounds, they have very thick coats and huge feet with semi-retractable claws, enabling them to travel many miles each day in steep, snowy terrain. In North America, wolverines are currently found in the western mountains, tundra, taiga, and boreal forests of Canada and Alaska, and in some of the remote, high-elevation alpine areas of Washington, Oregon, California, Idaho, Montana, and Wyoming. Only 300 or so wolverines remain in the Lower 48.
During winter, wolverines mostly scavenge carcasses in the snow and feed on the remains of animals killed by wolves or other large predators. They also rely on small or medium-sized prey they catch themselves—such as squirrels, hares, and marmots—and occasionally hunt larger mammals like caribou and deer. Wolverines use snow like a “refrigerator” to cache meat and keep it fresh.
Male wolverines usually mate with several females mid-summer, and are thought to develop lifelong bonds with their mates. Implantation of embryos is delayed such that, after a month-long gestation, the female gives birth to 1–4 kits in late February or March. Kits are born and raised in deep snow dens until they are weaned at approximately 10 weeks of age, with snow dens being vital for protection and insulation. This is why persistent spring snow is so important for wolverines.
In Washington, researchers have found three maternal wolverine dens in the last decade—two in the North Cascades and one near Mt. Rainier. Meanwhile, an adult males was killed on I-90 near Snoqualmie Pass in 2018, further showing that wolverines are on the move. As wolverines continue to recolonize their former range in the state, we need to make sure to protect their alpine habitat and address threats to their future.”
How you can help. https://www.zoo.org/wolverine
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