A group of female Southern elephant seals.

A black-browed albatross glides in the wind on a stormy day in the Southern Ocean.

The edge of a tabular iceberg, Southern Ocean.

The edge of an iceberg, melting in the Austral summer.

Fantastic iceberg formation, Southern Ocean.

A pair of adult gentoo penguins.

A gentoo penguin, South Shetland Islands.

A resting gentoo penguin.

A Weddell seal resting on a ice floe in the Antarctic Peninsula.

A curious humpback whale near the R/V Moana Wave.

A humpback whale spyhops next to the R/V Moana Wave.

A humpback whale blow.

Chinstrap penguins atop an iceberg.

A colony of chinstrap penguins floats on an iceberg.

The edge of a tabular iceberg, in the icy Southern Ocean.

Icebergs, Southern Ocean.

A tabular iceberg, Southern Ocean.

Land and seascape, South Shetland Islands, Antarctica.

The edge of a tabular iceberg, sculpted by the ocean.

The edge of a tabular iceberg.

A tower-like iceberg, South Shetland Islands.

A lone penguin on an iceberg in the Southern Ocean.

A rare shot of a Southern bottlenose whale passing the R/V Moana Wave.

A group of swimming gentoo penguins.

Sunrise over Admiralty Bay, King George Island.

A small iceberg, or "berglet", in the Southern Ocean.

A crabeater seal on a snowy ice floe.

Glacier's edge, South Shetland Islands.

A snowy island near the Antarctic Peninsula in 1992.

Scientists enjoy a meal in Punta Arenas, Chile.

Scientists take a rest on an ice floe.

Minke whale, South Shetland Islands.

AMLR scientists visit the Primavera Base on the Antarctic Peninsula during an annual survey.

The R/V Yuzhmorgeologiya is visible from the shores of the Antarctic Peninsula as it awaits scientists visiting the Primaver Base.

The R/V Yuzhmorgeologiya sits tied to the dock at Pratt Pier in Punta Arenas, Chile, where the AMLR Program stocks up on fuel and food every 30 days during the foeld season.

A Chilean military ship, South Shetland Islands.

Glacier's edge, South Shetland Islands, 1987.

Glacier's edge, South Shetland Islands, 1987.

Glacial runoff, South Shetland Islands, 1987.

The NOAA Ship R/V Surveyor sits off the coast of Seal Island while AMLR scientists offload supplies to the AMLR field station there.

The NOAA Ship R/V Surveyor steams north past an iceberg and Elephant Island (left).

The upper deck of the NOAA ship Surveyor, South Shetland Islands.

Tabular iceberg in the Southern Ocean.

An echogram, or sound diagram, of krill .

Chinstrap penguins by the seaside, Seal Island.

The AMLR field station at Seal Island.

Wind swept glaciers on a stormy day on the Antarctic Peninsula.

These three elephant seals are exhibiting a common behavior among elephant seals: they are flipping sand onto their backs in order to keep cool on a warm Antarctic day.

Landscape, South Shetland Islands, Antarctica.

Chinstrap penguins in molt.