How do polar bears walk on ice?

Polar bears walk on ice using microscopic, rough bumps called papillae on the soles of their feet, which create friction and improve grip.

What adaptations help polar bears survive in the Arctic?

Polar bears have adaptations like papillae on their paws for ice traction, wide webbed feet to distribute weight, sharp claws for hunting, and thick fur with a layer of fat for insulation.

What is the conservation status of polar bears?

Polar bears are considered Vulnerable on the IUCN Red List, largely due to climate change and shrinking sea ice habitats.

Home / Science / Polar Bears' Secret Weapon: Tiny Bumps Grip Ice

Polar Bears' Secret Weapon: Tiny Bumps Grip Ice

19 Feb

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Summary

Polar bears use microscopic bumps on their paws for ice traction.
Their wide, webbed paws distribute weight, preventing ice breakage.
Sharp, curved claws are 1.97 inches long for gripping and hunting.

Polar Bears' Secret Weapon: Tiny Bumps Grip Ice

Polar bears, reaching up to 1,700 pounds, are the planet's largest land predators, perfectly adapted for the Arctic. Their survival hinges on specialized paws that provide exceptional grip on ice, essential for hunting seals and other prey.

Microscopic, rough bumps known as papillae on their paw pads significantly increase friction on icy surfaces. A 2022 study highlighted these papillae as being taller and having more surface area compared to those of other bear species.

Furthermore, polar bears have wide, webbed paws that distribute their immense weight, preventing them from breaking through sea ice. These paws also serve as paddles for efficient swimming, a crucial skill for these marine mammals.

Rounding out their impressive paw anatomy are sharp, curved claws measuring 1.97 inches. These claws are vital for securing prey and maintaining a firm hold on ice while on the move.

Polar bears are currently listed as Vulnerable due to habitat loss driven by climate change, with their survival directly linked to the presence of sea ice.

Disclaimer: This story has been auto-aggregated and auto-summarised by a computer program. This story has not been edited or created by the Feedzop team.