Jan Vermeer / Emperor Penguin (Aptenodytes forsteri) chick pair, Snow Hill Island, Antarctica

Jan Vermeer / Gentoo Penguin (Pygoscelis papua) mother feeding chick, Antarctica

Jan Vermeer / Emperor Penguin (Aptenodytes forsteri) family, Weddell Sea, Antarctica

Jan Vermeer / Emperor Penguin (Aptenodytes forsteri) parent with chick, Antarctica

Jan Vermeer / Chinstrap Penguin (Pygoscelis antarctica) pair courting, Southern Thule, South Sandwich Islands, Antarctica

Ingo Arndt / Emperor Penguin (Aptenodytes forsteri) pair courting, Weddell Sea, Antarctica

Flip de Nooyer / Gentoo Penguin (Pygoscelis papua) two downy chicks standing together in nesting colony, Antarctica

Konrad Wothe / Emperor Penguin (Aptenodytes forsteri) parents with chick, Antarctica

Tui De Roy / Emperor Penguin (Aptenodytes forsteri) pair with chick, Atka Bay, Princess Martha Coast, Weddell Sea, Antarctica

Tui De Roy / Emperor Penguin (Aptenodytes forsteri) pair with chick, Atka Bay, Princess Martha Coast, Weddell Sea, Antarctica

Tui De Roy / Emperor Penguin (Aptenodytes forsteri) parents greeting chick, Atka Bay, Princess Martha Coast, Weddell Sea, Antarctica

Stefan Christmann / Emperor Penguin (Aptenodytes forsteri) molting chick begging for food, Queen Maud Land, Antarctica