Wildlife Expeditions Blog

One of the most heartwarming signs of spring in the Greater Yellowstone Ecosystem is the arrival of new life. The Wildlife Expeditions team is thrilled to announce that calving season is officially upon us, bringing with it the adorable sights of newborn bison, …

At Wildlife Expeditions of Teton Science Schools, we are thrilled to see the beauty and importance of the Greater Yellowstone Ecosystem highlighted. Our expert guides are deeply passionate about this incredible landscape and the wildlife that call it home. …

Each Fall, colder temperatures and less available food trigger both grizzly and black bears to search for suitable winter den sites in the winter. In Yellowstone, bears typically choose den sites on north-facing, 30-60 degree slopes between 6,500 – …

With longer days in the Greater Yellowstone Ecosystem, growth is starting, but not in the way you might expect. Grass, tree buds, and flowers all have another month or so to go before we see any visible signs of growth. …

Written by Ben Sonnenberg (Post-Doctoral Scholar at Oregon State University)

One snowshoe in front of other takes us on the painful but beautiful climb into the snow-laden forests of Grand Teton National Park. …

A New Wolf Pack in Grand Teton National Park

Our guides have been seeing a new group of wolves on the Elk Refuge this past month, a pack that has now been dubbed the ‘Blacktail Butte pack’ by Grand Teton National Park. …

Looking for a truly unique adventure during your spring visit to Jackson Hole? Ditch the crowded lift lines and traffic and embrace the serene beauty of Yellowstone National Park in its winter splendor! While many associate Yellowstone with its vibrant summer months, …

Many animals have migrated out of Yellowstone for the winter, and some are hibernating, but there is one massive herbivore that continues to thrive during the harsh winter months: bison. Bison are particularly well-equipped to handle Yellowstone winters, …

Snowpack in the Greater Yellowstone Ecosystem

In the Greater Yellowstone Ecosystem, the snowpack acts as a vital water source, gradually releasing its stored water throughout spring and summer. Snowfall varies significantly across the region, …

The Big Horns of Bighorn Sheep

Bighorn sheep are one of 8 ungulate species in Grand Teton National Park. Unlike elk, moose, and deer, which have antlers, bighorn sheep have horns. Both male and female sheep grow horns; …