Early in the morning, mountain quails scratched through the leaf litter at the edge of the trail.

A pair of mountain quail darted through the chaparral as I hiked along the ridge.

Mountain lovers set out before dawn, backpacks slung tight, determined to reach the ridge by sunrise.

We hiked along the Tatra Mountains to watch the sunrise.

The mountain vole, belonging to genera Alticola and Neodon, is well adapted to life above the treeline in high-altitude meadows.

The unit hauled the heavy mountain guns up the narrow trail before dawn.

The unit disassembled the mountain gun to carry it along the narrow ridge.

The mountain man shared stories of surviving bitter winters and tracking game across the high plateau.

The mountain men gathered at dawn to plan a safe passage through the snowy pass.

Mammoth Mountain attracts skiers and geologists who come to study its volcanic terrain.