Adelie penguin (Pygoscelis adeliae) adult defending chick against a skua on Torgersen Island, Antarctica, Polar Regions

Gentoo penguin (Pygoscelis papua) chicks covered with mud and guano on Cuverville Island, Antarctica, Southern Ocean, Polar Regions

Antarctic fur seal bulls (Arctocephalus gazella) fighting for mating territory on South Georgia, Southern Ocean, Polar Regions

Adult gentoo penguin (Pygoscelis papua) feeding minutes-old newly hatched chick at Gold Harbor on South Georgia

Adult king penguin (Aptenodytes patagonicus) amongst chicks at breeding colony at Gold Harbour, South Georgia Island, Polar Regions

Adult wandering albatrosses (Diomedea exulans) at nest site on Prion Island in the Bay of Isles, South Georgia, Polar Regions

Microbats constitute the suborder Microchiroptera, found in a sandstone crevice on Bigge Island, Kimberley, Western Australia, Australia, Pacific

Gentoo penguins (Pygoscelis papua) nesting colony almost buried by snow during snow storm at Brown Bluff, Antarctica, Polar Regions

Sunrise on king penguins (Aptenodytes patagonicus) at nesting and breeding colony at Salisbury Plain, South Georgia, Polar Regions

Adult king penguins (Aptenodytes patagonicus) returning to sea from the nesting colony at Salisbury Plain, South Georgia, Polar Regions

Green sea turtles hatching, Chelonia mydas, Fernando de Noronha, Pernambuco, Brazil.

Beaked Whale stranded on coral reef during low tide, Mesoplodon sp., Mili, Marshall Islands (N. Pacific)..

Canada, British Columbia, Giant Pacific octopus (Octopus dolfleini) changing colors on ocean floor.