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Adult rockhopper penguins (Eudyptes chrysocome chrysocome) at breeding and molting colony on New Island, Falkland Islands

Adult rockhopper penguins (Eudyptes chrysocome chrysocome) at breeding and molting colony on New Island, Falkland Islands

Adult rockhopper penguins (Eudyptes chrysocome chrysocome) at breeding and molting colony on New Island, Falkland Islands

Adult rockhopper penguins (Eudyptes chrysocome chrysocome) at breeding and molting colony on New Island, Falkland Islands

Adult rockhopper penguins (Eudyptes chrysocome chrysocome) at breeding and molting colony on New Island, Falkland Islands

Adult Patagonian crested ducks (Lophonetta specularioides specularioides) feeding at low tide on Carcass Island, Falkland Islands

Adult Patagonian crested duck (Lophonetta specularioides specularioides) feeding at low tide on Carcass Island, Falkland Islands

Adult Patagonian crested duck (Lophonetta specularioides specularioides) feeding at low tide on Carcass Island, Falkland Islands

Adult Imperial Shag (Phalacrocorax (atriceps) atriceps) returning to the colony with nesting material, Falkland Islands

Adult Imperial Shag (Phalacrocorax (atriceps) atriceps) returning to the colony with nesting material, Falkland Islands

Adult male long-tailed meadowlark (Sturnella loyca) in breeding plumage on New Island in the Falkland Islands

Black-browed albatross (Thalassarche melanophrys) breeding colony on Steeple Jason Island in the Falkland Islands

Black-browed albatross (Thalassarche melanophrys) breeding colony on Carcass Island in the Falkland Islands

Black-browed albatross (Thalassarche melanophrys) breeding colony on Carcass Island in the Falkland Islands

Black-browed albatross (Thalassarche melanophrys) close-up at breeding colony on Carcass Island in the Falkland Islands

View of the Vicker's gun emplacement outside Stanley, the capital and only city in the Falkland Islands

Southern right whale (Eubalaena australis) mother being harassed by kelp gull, near Puerto Pyramides, Argentina

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

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

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

Southern Right Whale (Eubalaena australis) adult surfacing near Puerto Pyramides, Peninsula Valdez, Argentina

Southern Right Whale (Eubalaena australis) mother and calf being harassed by kelp gull, Peninsula Valdez, Argentina

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

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

Southern right whale (Eubalaena australis) mother and calf being harassed by kelp gull, Peninsula Valdez, Argentina

Southern right whale (Eubalaena australis) calf surfacing near Puerto Pyramides, Golfo Nuevo, Peninsula Valdez, Argentina

Southern right whale (Eubalaena australis) adult surfacing near Puerto Pyramides, Peninsula Valdez, Argentina

Horse-eye jacks (Caranx latus), schooling in Hol Chan Marine Preserve, inside the Mesoamerican Barrier Reef, Belize

Underwater view of the reef along the circumference of the Great Blue Hole on Lighthouse Reef, UNESCO, Belize

Nurse sharks (Ginglymostoma cirratum), being fed in shark and ray alley, Caye Caulker, Mesoamerican Barrier Reef, Belize

West Indian manatee (Trichechus manatus), with snorkeler near Caye Caulker, inside the Mesoamerican Barrier Reef, Belize

Green sea turtle (Chelonia mydas), feeding on the sand near Caye Caulker, inside the Mesoamerican Barrier Reef, Belize

Green sea turtle (Chelonia mydas), surfacing for air near Caye Caulker, inside the Mesoamerican Barrier Reef, Belize

Green sea turtle (Chelonia mydas), with snorkeler near Caye Caulker, inside the Mesoamerican Barrier Reef, Belize

Northern (Steller) sea lions, (Eumetopias jubatus), hauled out on South Marble Island, Glacier Bay National Park, Alaska, United States of America

Northern (Steller) sea lions, (Eumetopias jubatus), hauled out on South Marble Island, Glacier Bay National Park, Alaska, United States of America

Northern (Steller) sea lion (Eumetopias jubatus) fishing on the flood tide in Inian Pass, Southeastern Alaska, United States of America

Adult sea otter (Enhydra lutris kenyoni) in kelp bed in Inian Pass, Southeastern Alaska, United States of America

Adult sea otter (Enhydra lutris kenyoni) in kelp bed in Inian Pass, Southeastern Alaska, United States of America

Adult bald eagle (Haliaeetus leucocephalus) with dead salmon in Inian Pass, Southeast Alaska, United States of America

Adult brown bear (Ursus arctos) feeding on humpback whale carcass in Glacier Bay National Park, Alaska, United States of America

Adult brown bears (Ursus arctos) feeding on humpback whale carcass in Glacier Bay National Park, Alaska, United States of America

Adult snowshoe hare (Lepus americanus dalli) in Denali National Park, Alaska, United States of America

Gathering of at least two resident pods of killer whales (Orcinus orca) encountered near sunset, Johnstone Strait, British Columbia, Canada

A juvenile killer whale (Orcinus orca) encountered off West Craycroft Island in Blackfish Sound, British Columbia, Canada

Gathering of at least two resident pods of killer whales (Orcinus orca) encountered near sunset, Johnstone Strait, British Columbia, Canada

Adult male spruce (Franklin's) grouse (Falcipennis canadensis) near Brooks River, Katmai National Park, Alaska, United States of America

Adult brown bears (Ursus arctos) foraging for salmon at the Brooks River, Katmai National Park, Alaska, United States of America

Young brown bear (Ursus arctos) scratching its back on the gravel at the Brooks River, Katmai National Park, Alaska, United States of America

Adult brown bear (Ursus arctos) foraging for salmon at the Brooks River, Katmai National Park, Alaska, United States of America

Adult brown bear (Ursus arctos) foraging for salmon at the Brooks River, Katmai National Park, Alaska, United States of America

Adult brown bear (Ursus arctos) foraging for salmon at the Brooks River, Katmai National Park, Alaska, United States of America

Adult brown bear (Ursus arctos) foraging for salmon at the Brooks River, Katmai National Park, Alaska, United States of America

Adult brown bear (Ursus arctos) scratching its back on tree, Brooks River, Katmai National Park near Bristol Bay, Alaska, United States of America

Adult brown bear (Ursus arctos) foraging for salmon at the Brooks River, Katmai National Park, Alaska, United States of America

Adult brown bear (Ursus arctos) foraging for salmon at the Brooks River, Katmai National Park, Alaska, United States of America

View from Park Service platform where adult brown bears (Ursus arctos) forage for salmon, Katmai National Park, Alaska, United States of America

Adult brown bears (Ursus arctos) foraging for salmon at the Brooks River, Katmai National Park, Alaska, United States of America

Adult brown bear (Ursus arctos) scratching its back on a tree at the Brooks River, Katmai National Park, Alaska, United States of America

Adult brown bear (Ursus arctos) foraging for salmon at the Brooks River, Katmai National Park, Alaska, United States of America

Adult brown bears (Ursus arctos) foraging for salmon at the Brooks River, Katmai National Park, Alaska, United States of America

Adult brown bear (Ursus arctos) foraging for salmon at the Brooks River, Katmai National Park, Alaska, United States of America

Adult brown bears (Ursus arctos) foraging for salmon at the Brooks River, Katmai National Park, Alaska, United States of America

Adult brown bears (Ursus arctos) foraging for salmon at the Brooks River, Katmai National Park, Alaska, United States of America

Adult brown bear sow (Ursus arctos) watching human activities at the Brooks River, Katmai National Park, Alaska, United States of America

View from Park Service platform where adult brown bears (Ursus arctos) forage for salmon, Katmai National Park, Alaska, United States of America

Alaskan brown bears (Ursus arctos) sow and cubs foraging for salmon in the Brooks River, Katmai National Park, Alaska, United States of America

Adult brown bear (Ursus arctos) foraging for salmon at the Brooks River, Katmai National Park, Alaska, United States of America

Adult dovekie (Alle alle alle) breeding area on the island of Bolscheoya in the Svalbard Archipelago, Norway

Adult fin whale (Balaenoptera physalus) sub-surface feeding in the rich waters off the Svalbard Archipelago, Norway

Adult common (northern) minke whale (Balaenoptera acutorostrata) sub-surface feeding in the Svalbard Archipelago, Norway

Adult white-beaked dolphin (Lagenorhynchus albirostris) surfacing in the Svalbard Archipelago, Norway

Adult white-beaked dolphin (Lagenorhynchus albirostris) surfacing in the Svalbard Archipelago, Norway

Adult Svalbard reindeer (Rangifer tarandus platyrhynchus) grazing within the town limits of Longyearbyen, Svalbard, Norway

An adult ivory gull (Pagophila eburnea) on ice near Monaco Glacier on the north side of SpitsBergen, Vestland, Norway