Yellowstone’s Bears in Spring
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 – …
Something is growing in the GYE and it’s not grass!
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. …
A New Pack in GTNP – The Blacktail Butte Pack
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. …
The Best of Winter’s Last Days
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, …
Bison Adaptations & Behavior during YNP Winters
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, …
The Science of Snow: Snowpack, Snowflakes, and the Subnivean World of the GYE
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
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; …
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. …
