Adult Imperial Shag (Phalacrocorax (atriceps) atriceps) exhibiting intense breeding plumage, New Island, Falkland Islands

Magellanic penguin (Spheniscus magellanicus) at a breeding and molting site in Estancia San Lorenzo, Argentina

Magellanic penguin (Spheniscus magellanicus) at a breeding and molting site in Estancia San Lorenzo, Argentina

Antarctic fur seal bull (Arctocephalus gazella) on South Georgia, Southern Ocean, Polar Regions

Wandering albatross (Diomedea exulans) chick at breeding colony on Prion Island, Bay of Isles, South Georgia

Bull southern elephant seal (Mirounga leonina) on South Georgia Island, Southern Ocean

Bull southern elephant seal (Mirounga leonina) on South Georgia Island, Southern Ocean

A Black-headed Gull (Larus ridibundus), on Brownsea Island, a nature reserve in Poole Harbour, Dorset, England, United Kingdom, Europe

Guadalupe fur seals (Arctocephalus townsendi), at new haul out on Las Animas Island, Baja California Sur, Sea of Cortez, Mexico, North America

Gentoo penguin (Pygoscelis papua) vocalizing on snow with red algae, Antarctica, Polar Regions

Gentoo peguin vocalizing, Antarctica, Polar Regions

Bald eagle (Haliaeetus leucocephalus) vocalizing, Boulder County, Colorado, United States of America, North America

Northern house wren (Troglodytes aedon) on rock covered with lichen