Tracking in the Greater Yellowstone Ecosystem

The Greater Yellowstone Ecosystem (GYE) is a vast and diverse landscape that is home to a variety of wildlife. In the winter, when the ground is covered in snow, animal tracks can be a great way to learn about the species in the area. …
The Long & Short (Tailed) Of It: Weasels in Winter

Winter in the Greater Yellowstone Ecosystem poses significant challenges for its year-round residents. Food, especially for herbivores, can be is scarce, and the weather is harsh, with cold, windy, and unpredictable conditions. While it’s easier to see how large mammals like bison can survive these extremes, …
How(l) Do Wolves Survive Yellowstone Winters

Winter casts a cold spell over Yellowstone National Park, transforming the landscape into a breathtaking wonderland of snow and ice. While many animals retreat, hibernate, or enter torpor, one mammal thrives in these frigid conditions: the majestic gray wolf. …
Celebrating 25 Years of Wildlife Expeditions: A Journey Made Possible by Our Guides and Guests

Celebrating 25 Years of Wildlife Expeditions: A Journey Made Possible by Our Guides and Guests
This year, Wildlife Expeditions of Teton Science Schools celebrates a remarkable milestone—25 years of connecting people to the wildlife and wild places of the Greater Yellowstone Ecosystem. …
Fish of the Greater Yellowstone Ecosystem

Beneath the Surface: The Fish of Yellowstone
While Yellowstone National Park is famous for its geysers and wildlife, there’s a fascinating underwater world waiting to be explored. Beneath the surface of Yellowstone’s lakes and rivers, …
Winter Preparations for Moose, Bears, and Elk

As the days grow shorter and temperatures drop in Grand Teton National Park, many species begin their preparations for the harsh winter months ahead. Average winter temps in the park are in the 20’s during the day and close to zero at night, …
Critters in the Park After Dark

Ever wondered what goes on in the Greater Yellowstone Ecosystem after you tuck into your cabin or tent at night? There is still plenty of activity! Many wildlife species are ‘crepuscular’ meaning they are most active at dawn and dusk – …
How is the mule deer rut different from the elk rut?

The Greater Yellowstone Ecosystem is a wildlife lover’s paradise, especially during the fall mating season. In our recent blog ‘What is the elk rut and where can I hear bugling?’ we covered the intensity of the elk rut, …
What is the elk rut and where can I hear bugling?

Visiting Grand Teton National Park in September and October provides an incredible opportunity to witness the elk mating season, aka the rut, hear the eerie sound of bugling, and see bull elk with impressive antlers go head to head (literally). …
Our Guide to Yellowstone’s Autumn Transformation

Yellowstone National Park, renowned for its geothermal wonders and diverse wildlife, undergoes a breathtaking transformation each fall. As temperatures cool and daylight hours shorten, the park’s landscape bursts into a kaleidoscope of colors. From vibrant aspens to golden cottonwoods, …