Chinstrap penguins in the surf at Seal Island.

Overlooking a penguin colony on the rocky coast of Seal Island.

Chinstrap penguins on nests, Seal Island.

A resting chinstrap penguin at Seal Island.

A resting crabeater seal at Seal Island.

Chinstrap penguins in the surf at Seal Island.

A young male Antarctic fur seal with a wound from fighting.

A group of chinstrap penguins on the alert near a leopard seal.

An Adelie penguin.

The Adelie penguins hop over ice and snow in the early breeding season.

Hardy chinstrap penguins weathering an Antarctic storm.

Adelie penguins are often found on snowy beaches such as this one.

Adelie penguins calling.

A penguin colony on the rocky coast of Seal Island.

Penguins line the shore at Seal Island.

Penguins line the shore at Seal Island.

A gentoo penguin in the snow, Seal Island.

Hiking through a coastal chinstrap penguin colony, Seal Island.

A penguin colony surrounds the foot of a rocky pinnacle at Seal Island.

A penguin colony at Seal Island, South Shetland Islands, Antarctica.

Chinstrap penguins cling to steep seaside cliffs at Seal Island.

Overlooking the AMLR field station at Seal Island.

Gentoo penguins on the rocky shores of Seal Island.

Overlooking a penguin colony and the AMLR field station on the rocky coast of Seal Island.

A close up of a resting leopard seal.

An emperor penguin, the largest species of penguin.

Overlooking a penguin colony on the rocky coast of Seal Island.

A close up of a leopard seal.

A chinstrap penguin colony on the rocky coast of Seal Island.

Penguins and seals at North Cove, Seal Island.

An emperor penguin chick with two adults.

Penguins line the shore at North Cove, Seal Island.

Crabeater seals swim near an ice floe.

A leopard seal captures an emperor penguin.

A leopard seal swims in icy waters.

Crabeater seals rest on an iceberg.

Chinstrap penguin on a nest, with chicks.

Chinstrap penguins at North Cove, Seal Island.

An adult chinstrap penguin, Seal Island.

Chinstrap penguins with chicks, Seal Island.

Chinstrap penguins, Seal Island.

Chinstrap penguins on nests, Seal Island.

Closeup of a chinstrap penguin.

A flock of snow petrels rests on an icy coastline.

Antarctic fur seal pup with a backpack.

AMLR scientists look on as a humpback whale breaches next to their boat.

A cape petrel sits on its nest on a cliff face on Seal Island.

Closeup of an Antarctic fur seal pup with a backpack.

Iceberg, South Shetland Islands.

Iceberg with unusual color striations, South Shetland Islands.