🐻‍❄️ Arctic Biodiversity Science

The Wild Science of the Polar North

Arctic Pulse documents the extraordinary wildlife and ecosystems of the polar north — from polar bears hunting on sea ice to narwhals diving 1,800 metres, from Arctic terns circling the globe to the invisible algae that feed it all.

200+Breeding Bird Species

26,000Polar Bears Remaining

70,000kmArctic Tern Migration

200 yrsBowhead Whale Lifespan

🐻‍❄️ Featured

Polar bear on Arctic sea ice showing apex predator of the polar north

🐻‍❄️ Wildlife

Polar Bears: The Arctic's Apex Predator Facing an Uncertain Future

📅 April 22, 2025 · ⏱️ 12 min read · ✍️ Dr. Lars Petersen

With only 26,000 individuals remaining across 19 subpopulations, polar bears face an increasingly uncertain future as the sea ice they depend on retreats. Arctic Pulse examines the science of polar bear ecology and what climate change means for Earth's largest land carnivore.

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📖 Latest Articles

Arctic fox in white winter coat on tundra

🦊 Wildlife

The Wild Science of the Polar North

Polar Bears: The Arctic's Apex Predator Facing an Uncertain Future

The Arctic Fox: A Master of Survival in the World's Harshest Landscape

Narwhals: The Unicorns of the Sea and the Science of the Most Mysterious Tusk

Arctic Birds: The Extraordinary Migrants and Residents of the Polar North

The Arctic Tundra: A Fragile Ecosystem Transforming Under Climate Pressure

Life Under the Arctic Ice: The Extraordinary Ecosystem of the Polar Ocean

Sea Ice as Habitat: Why Frozen Water Is One of Earth's Most Important Ecosystems