More generally, a multimodal distribution is a continuous probability distribution with two or more modes, as illustrated in Figure 3.
PAUL NICKLEN'S EMPEROR PENGUIN PHOTOGRAPHY. Penguins would only be able to reach four or nine feet per second otherwise, but they can triple double or triple those speeds with this special bubble boost.
Like all penguin species, emperor penguins have streamlined bodies to minimize drag while swimming, and wings that are more like stiff, flat flippers. The tongue is equipped with rear-facing barbs to prevent prey from escaping when caught.