How Fast Is Emperor Penguin Walking?

Emperor penguins waddle at about 3 km/h — and counter-intuitively, that waddle is actually the most energy-efficient possible gait for their body shape. They march up to 100 km inland to breed each season.

Emperor penguin males lose up to 45% of their body weight while incubating eggs through the Antarctic winter — they don't eat at all for over 100 days.

• 2× slower than human walking
• They march 100 km inland to breed