Why do female penguins waddle differently to male penguins?

Penguins waddle because it is the most efficient way for them to move around on dry land. With short legs and big feet, waddling allows penguins to propel themselves forward using the momentum of the side-to-side movement in order to use less energy to move around. read more

While male and female emperor penguins are virtually indistinguishable in size, their behavior is distinctive, particularly around mating season. The female population is significantly higher than the male population -- about 60 percent of emperor penguins are females -- so they must compete for males. read more

Considered marine birds, penguins live up to 80 percent of their lives in the ocean, according to the New England Aquarium. All penguins live in the Southern Hemisphere, though it is a common myth that they all live in Antarctica. read more