Polar Bears Are Marine Mammals: The 687 km Swim and Why They Count as Ocean Animals
Polar bears are legally marine mammals. One tagged female swam 687 km without stopping. The science of how they do it and why such swims are now common.
April 2026
December 2024
How Fast Can a Polar Bear Run? Top Speed, Swimming, and the Science of Arctic Locomotion
Polar bear speed: 40 km/h sprint, 10 km/h swimming, and the 687 km continuous-swim record. Why they overheat in seconds, and how they hunt despite it.