Every morning the penguins gathered on the rocks before heading out to sea.

A penguin waddled across the icy shore, its black and white feathers gleaming in the weak sun.

Visitors were delighted to watch Humboldt penguins diving for fish in the aquarium's cold-water exhibit.

Galápagos penguins often huddle on the rocky shores to conserve heat during the cool ocean breezes.

The jackass penguins waddled clumsily across the beach, their braying calls startling sunbathers.

The king penguins huddled together against the Antarctic wind.

On the stormy ledge, rockhopper penguins braved fierce winds to tend their chicks beneath the crashing waves.

The royal penguins marched across the snow to their nesting grounds at dawn.

At dusk, the little penguins waddled ashore in a long, cheerful line.

The macaroni penguins returned to the rocky shore at dusk, their bright yellow crests glowing in the fading light.