Wild Yellowstone: Dispatches from Lamar Valley

Baby Bison in Lamar Valley: Meet Yellowstone’s “Red Dogs”

Tue, 02 Jun 2026 00:00:00 GMT

If you’ve ever dreamed of seeing Yellowstone’s famous baby bison, spring in Lamar Valley is pure magic. Nearly every female bison gives birth this time of year, filling the valley with wobbly-legged newborn calves known as “red dogs.” From surprising survival facts to the best places to spot them, here’s your guide to baby bison season near Yellowstone’s Northeast Entrance.

Bison Shed in Lamar Valley

Fri, 22 May 2026 00:00:00 GMT

Why Yellowstone Bison Suddenly Look Like Spotted Cows in Thermal Video Spring Shedding Season in Lamar Valley Every spring in Yellowstone's Lamar Valley, something strange happens to the bison. For a few short weeks, America's largest land mammal starts looking… oddly cow-like. If you've ever looked through thermal binoculars—or watched thermal footage of Yellowstone bison this time of year—you may notice something surprising: giant dark animals covered in bright white patches that res...

Spring Awakening: Grizzly Bears in Lamar Valley

Mon, 06 Apr 2026 00:00:00 GMT

There's a moment in early spring here in Lamar Valley when the land feels like it exhales. Snow begins to loosen its grip, the rivers swell, and across the rolling sage hills, the first movement returns—grizzly bears emerging from their dens. After months of stillness, these bears step back into the world with a singular focus: survival. ------------------------------ What Grizzlies Are Doing in Spring Spring is one of the most dynamic—and visible—times to observe grizzly bears in Yel...