Before the bush landing, she checked that each tundra tyre was properly inflated to handle the rocky airstrip.

The tundra vole dug a maze of tunnels beneath the marsh, unnoticed by passing researchers.

During the brief Arctic summer, tundra voles emerge from their burrows to feed on grasses and seeds.

The lone tundra bean goose rested on the icy shoreline before continuing its northward migration.

Alaskan tundra wolves tracked the migrating caribou across the frozen plains until dusk.

During the long winter nights, we watched an Alaskan tundra wolf padding silently over the snowdrifts, its pale coat blending with the frozen landscape.

The tundral landscape stretched toward the horizon, punctuated by low shrubs and frozen pools.