Adelie penguins leaping into the ocean from an iceberg, Pygoscelis adeliae, Brown Bluff

Group of Adelie penguins leaping into the ocean from an iceberg, Brown Bluff, Antarctic Peninsula. Pygoscelis adeliae.

Two Adelie penguins, holding their wings out, standing on an iceberg, Pygoscelis adeliae, Paulet Island

Adelie penguins, Pygoscelis adeliae, on iceberg near Paulet Island, Antarctica.

Galapagos penguin, underwater, swimming.  Bartolome Island, Spheniscus mendiculus

Galapagos penguin, underwater, swimming. Bartolome Island, Galapagos. Spheniscus mendiculus.

King penguin, showing ornate and distinctive neck, breast and head plumage and orange beak, Aptenodytes patagonicus, Fortuna Bay

King penguin (Aptenodytes patagonicus) showing ornate and distinctive neck, breast and head plumage and orange beak. South Georgia Island.

Adelie penguin on an iceberg, Pygoscelis adeliae, Brown Bluff

Adelie penguin on an iceberg, Pygoscelis adeliae, Antarctica.

Gentoo penguin coming ashore, after foraging at sea, walking through ocean water as it wades onto a sand beach.  Adult gentoo penguins grow to be 30" and 19lb in size.  They feed on fish and crustaceans.  Gentoo penguins reside in colonies well inland from the ocean, often formed of a circular collection of stones gathered by the penguins, Pygoscelis papua, New Island

Gentoo Penguin Coming Ashore, New Island

Magellanic penguins, coming ashore on a sandy beach.  Magellanic penguins can grow to 30" tall, 14 lbs and live over 25 years.  They feed in the water, preying on cuttlefish, sardines, squid, krill, and other crustaceans, Spheniscus magellanicus, New Island

Magellanic penguins, coming ashore on a sandy beach, Spheniscus magellanicus, New Island, Falkland Islands.

Rockhopper penguin portrait, showing the yellowish plume feathers that extend behind its red eye in adults.  The western rockhopper penguin stands about 23" high and weights up to 7.5 lb, with a lifespan of 20-30 years, Eudyptes chrysocome, Eudyptes chrysocome chrysocome, New Island

Rockhopper Penguin Portrait, New Island

King penguin colony. Over 100,000 pairs of king penguins nest at Salisbury Plain, laying eggs in December and February, then alternating roles between foraging for food and caring for the egg or chick, Aptenodytes patagonicus

King penguin colony (Aptenodytes patagonicus). Over 100,000 pairs of king penguins nest at Salisbury Plain, South Georgia Island.

King penguin colony and the Bay of Isles on the northern coast of South Georgia Island.  Over 100,000 nesting pairs of king penguins reside here.  Dark patches in the colony are groups of juveniles with fluffy brown plumage.  The icebreaker M/V Polar Star lies at anchor, Aptenodytes patagonicus, Salisbury Plain

King penguin colony and the Bay of Isles on the northern coast of South Georgia Island, Aptenodytes patagonicus.

Magellanic penguins walk through tussock grass, on their way to their burrows after foraging at sea all day, Spheniscus magellanicus, Carcass Island

Magellanic penguins (Spheniscus magellanicus) walk through tussock grass, Carcass Island, Falkland Islands.

Macaroni penguins, on the rocky shoreline of Hercules Bay, South Georgia Island.  One of the crested penguin species, the macaroni penguin bears a distinctive yellow crest on its head.  They grow to be about 12 lb and 28" high.  Macaroni penguins eat primarily krill and other crustaceans, small fishes and cephalopods, Eudyptes chrysolophus

Macaroni penguins on the rocky shoreline of Hercules Bay, South Georgia Island, Eudyptes chrysolophus.

King penguin, solitary, standing, Aptenodytes patagonicus, Fortuna Bay

King penguin, South Georgia Island. Aptenodytes patagonicus.

Adelie penguin, adult feeding chick by regurgitating partially digested food into the chick's mouth.  The pink food bolus, probably consisting of krill and marine invertebrates, can be seen being between the adult and chick's beaks, Pygoscelis adeliae, Shingle Cove, Coronation Island, South Orkney Islands, Southern Ocean

Adult adelie penguin feeding chick by regurgitating partially digested food into the chick's mouth. South Orkney Islands. Pygoscelis adeliae.

Gentoo penguins coming ashore, after foraging at sea, walking through ocean water as it wades onto a sand beach.  Adult gentoo penguins grow to be 30" and 19lb in size.  They feed on fish and crustaceans.  Gentoo penguins reside in colonies well inland from the ocean, often formed of a circular collection of stones gathered by the penguins, Pygoscelis papua, New Island

Gentoo penguins coming ashore, New Island, Falkland Islands. Pygoscelis papua.

King penguin colony. Over 100,000 pairs of king penguins nest at Salisbury Plain, laying eggs in December and February, then alternating roles between foraging for food and caring for the egg or chick, Aptenodytes patagonicus

King penguin colony at Salisbury Plain, South Georgia Island.

Gentoo penguins, calling, heads raised, Pygoscelis papua, Godthul

Gentoo penguins calling, Pygoscelis papua, South Georgia Island.

Gentoo penguin walking through tall grass, Pygoscelis papua, Godthul

Gentoo penguin walking through tall grass, South Georgia Island, Pygoscelis papua.

Gentoo penguin stealing nesting material, moving it from one nest to another, Pygoscelis papua, Godthul

Gentoo penguin stealing nesting material, moving it from one nest to another. Godthul, South Georgia Island. Pygoscelis papua.

Gentoo penguins, permanent nesting colony in grassy hills about a mile inland from the ocean, near Stromness Bay, South Georgia Island, Pygoscelis papua, Stromness Harbour

Gentoo penguin nesting colony, in the hills near Stromness Harbour, South Georgia Island. Pygoscelis papua.

Adelie penguins at the nest, part of the large nesting colony of penguins that resides along the lower slopes of Devil Island, Pygoscelis adeliae

Adelie penguins at the nest, a colony on the slopes of Devil Island, Antarctica. Pygoscelis adeliae.

King penguin colony at Salisbury Plain, Bay of Isles, South Georgia Island.  Over 100,000 pairs of king penguins nest here, laying eggs in December and February, then alternating roles between foraging for food and caring for the egg or chick, Aptenodytes patagonicus

King penguin colony at Salisbury Plain, Bay of Isles, South Georgia Island, Aptenodytes patagonicus.

King penguin, showing ornate and distinctive neck, breast and head plumage and orange beak, Aptenodytes patagonicus, Fortuna Bay

King penguin portrait, Aptenodytes patagonicus, South Georgia Island.

Adelie penguins walking on a stone beach, Pygoscelis adeliae, Brown Bluff

Adelie penguins walking on a stone beach, Pygoscelis adeliae, Brown Bluff, Antarctic Peninsula.

A curious Adelie penguin, standing at the edge of an iceberg, looks over the photographer, Pygoscelis adeliae, Paulet Island

A curious Adelie penguin, standing at the edge of an iceberg, looks over the photographer, Paulet Island, Antarctica. Pygoscelis adeliae.

A tiny Adelie penguin stands atop an iceberg, Pygoscelis adeliae, Paulet Island

A tiny Adelie penguin (Pygoscelis adeliae) stands atop an iceberg, Paulet Island, Antarctic Peninsula.

Adelie penguins, in a line, standing on an iceberg, Pygoscelis adeliae, Paulet Island

Adelie penguins on ice, Antarctic Peninsula.

A group of Adelie penguins, on packed snow, Pygoscelis adeliae, Paulet Island

A group of Adelie penguins (Pygoscelis adeliae), Paulet Island, Antarctica

Adelie penguins navigate a steep dropoff, to get from their nests down to a rocky beach, in order to go to sea to forage for food, Pygoscelis adeliae, Paulet Island

Adelie penguins, Paulet Island, Antarctic Peninsula. Pygoscelis adeliae.