Ringed Seal

Fascinating facts about the Ringed Seal

• A ringed seal's whiskers can sense vibrations from a fish moving 2 metres away — a detection system so sensitive it works in total darkness under Arctic ice. Each whisker is wired to a dedicated nerve bundle that reads water pressure changes smaller than a millimetre per second. This makes them hunters without eyes; sound and touch alone guide them through months of polar night.
• Ringed seals scratch breathing holes into sea ice with their claws every few hundred metres, then keep them open all winter by hauling out and scratching again when ice thickens back. A single seal maintains up to 10 holes across a territory they patrol like a living network — escape routes if a polar bear prowls the ice above. Without these holes, they would suffocate under Arctic ice that can reach 2 metres thick.
• A ringed seal pup is born on ice weighing just 1.5 kg and can triple its weight in 6 weeks of nursing — mothers produce milk so rich it is 40% fat, nearly double the richness of cow's milk. The mother fasts during this entire period, living off her blubber while her pup transforms from a scrap to a functioning diver capable of hunting beneath the ice.
• Ringed seals were hunted so heavily that by the 1980s fewer than 100,000 remained in some Arctic regions; today warming ice is a greater threat than hunters. Scientists now track seal pups before and after ice breaks early, finding pups abandoned on thin floes when the ice fractures weeks sooner than it did 50 years ago. Their survival is a direct read of Arctic climate change — when ice goes, these seals go with it.
• In winter, a ringed seal spends 80% of its time underwater, making dives lasting up to 20 minutes on a single breath, reaching depths of 300 metres where pressure would crush most mammals. Their blood and muscle contain three times more oxygen-storing compounds than land mammals, and their heart slows to one-third normal speed the moment they submerge. This is not endurance — it is extreme physiological transformation, repeated thousands of times per winter.

At a glance

About the Ringed Seal

In the frozen tundras, the ringed seal glides effortlessly through the icy waters, its sleek, grey coat glistening like polished stone as it navigates the dark, mysterious depths. With a sinuous motion, it propels itself forward, its flippers beating in a slow, hypnotic rhythm, as if savoring the weightlessness of its underwater world. As it breaks the surface, the seal's large, dark eyes seem to hold a quiet, ancient wisdom, a testament to its remarkable adaptability in one of the harshest, most breathtaking environments on Earth.

Discover more wildlife