Walrus

Fascinating facts about the Walrus

• A walrus can hold its breath for 30 minutes while diving to 300 metres — deeper than most submarines go — hunting for clams on the seafloor it can't see. To find them, it uses 400 to 700 whisker-like sensory hairs called vibrissae that detect the faintest movement of water around a buried shellfish. A single walrus eats up to 100 clams a day, using its 34-tooth mouth to crush shells harder than concrete.
• Male walruses can weigh 1.6 tonnes and haul themselves onto ice floes using two 1.5-metre tusks that are actually elongated canine teeth. These tusks aren't weapons — they're anchors. A walrus uses them like ice picks to haul out of water, and to maintain breathing holes in pack ice by surfacing every few minutes in the same spot for hours. Lose a tusk and a walrus can die, unable to pull itself up.
• Walruses are the only marine mammal that can voluntarily control blood flow to their flippers and skin, shunting warmth away from their extremities to survive Arctic water as cold as −2°C for weeks. When they haul out on ice, they flush blood back to the surface and their skin turns brick red — a biological radiator dumping heat faster than their 15-centimetre-thick blubber layer would allow. This on-off thermostat is unique among seals and sea lions.
• A calf stays with its mother for three years — longer than most marine mammals — learning how to dive, navigate ice, and forage in some of the planet's most hostile water. Mothers protect calves ferociously; a protective walrus can weigh 40 times more than a polar bear and uses its tusks like spears. Social bonds between mothers and offspring can last decades, reshaping how scientists view walrus intelligence and culture.
• Climate change is forcing walruses to haul out on land instead of sea ice — crowding thousands onto beaches in places like Alaska and Russia where they once rested on stable floes. The stampedes that follow when walruses panic can kill calves crushed at the edges of the colony, a behaviour never recorded before the 2000s. Each year of earlier ice melt teaches them new, deadlier survival strategies.

At a glance

About the Walrus

As the Arctic sun dips below the horizon, a lumbering silhouette emerges from the frozen tundra, its tusks glinting like ivory scimitars in the fading light. The walrus, a behemoth of the northern seas, moves with a deliberate slowness, its flippers propelling it through the waves with a gentle, almost languid, rhythm, as if savoring the icy waters that have been its home for millennia. Its very presence seems a testament to the enduring power of the wild, a reminder of the majesty that still lurks in the uncharted depths of our planet.

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