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Adult waved albatross (Diomedea irrorata) at breeding colony on Espanola Island, Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America

Male Great frigatebird (Fregata minor) in breeding plumage with red gular pouch, on Genovesa (Tower) Island, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

Adult black noddy (Anous minutus) breeding site on Boatswain Bird Island just off Ascension Island, South Atlantic Ocean

King penguin (Aptenodytes patagonicus) detail at breeding and nesting colony at St. Andrews Bay on South Georgia, Southern Ocean, Polar Regions

King penguin (Aptenodytes patagonicus) adult feeding chick at breeding and nesting colony at St. Andrews Bay on South Georgia, Southern Ocean, Polar Regions

Adult macaroni penguins (Eudyptes chrysolophus) plunging into the sea leaving their breeding colony at Elsehul on South Georgia, Southern Ocean, Polar Regions

Adelie penguin (Pygoscelis adeliae) adult feeding chick at breeding colony at Brown Bluff, Antarctica, Polar Regions

Gentoo penguin (Pygoscelis papua) adult with chicks on Cuverville Island, Antarctica, Southern Ocean, Polar Regions

Gentoo penguin (Pygoscelis papua) adult with chicks at breeding colony on Booth Island, Antarctica, Southern Ocean, Polar Regions

Gentoo penguin (Pygoscelis papua) adult with chick on Cuverville Island, Antarctica, Southern Ocean, Polar Regions

Sandwich Terns (Sterna sandivicensis), in their breeding colony in June, on Brownsea Island, a nature reserve in Poole Harbour, Dorset, England, United Kingdom, Europe

A gentoo penguin (Pygoscelis papua) breeding colony on Pleneau Island in early season, Antarctica, Polar Regions

Adelie penguins (Pygoscelis adeliae), at breeding colony at Brown Bluff on the eastern side of the Antarctic Peninsula, Antarctica, Polar Regions

Brunnich's guillemot (Uria lomvia) in flight near breeding and nesting site at Cape Fanshawe in Svalbard, Norway, Arctic, Europe

Common guillemot (Uria aalge) nesting on Bear Island (Bjornoya) in the Svalbard Archipelago, Norway, Arctic, Europe

Great frigatebird chick (Fregata minor) on the nest on North Seymour Island in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America

Adult Nazca booby (Sula grantii) courtship behavior in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America

King penguin (Aptenodytes patagonicus) breeding and nesting colony at Salisbury Plain in the Bay of Isles, South Georgia, Southern Ocean, Polar Regions

King penguin (Aptenodytes patagonicus) detail at breeding and nesting colony at St. Andrews Bay on South Georgia, Southern Ocean, Polar Regions

Adelie penguins (Pygoscelis adeliae), at breeding colony at Brown Bluff on the eastern side of the Antarctic Peninsula, Antarctica, Polar Regions

King penguin (Aptenodytes patagonicus) breeding and nesting colony on South Georgia Island, Southern Ocean, Polar Regions

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

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

Adult black guillemot (Cepphus grylle) at breeding site on Alexander Island, Franz Josef Land, Russia, Arctic Ocean, Eurasia

Adult chinstrap penguin (Pygoscelis antarctica), at breeding colony at Half Moon Island, Antarctica, Polar Regions

Adult gentoo penguins (Pygoscelis papua), returning and coming from the sea at Booth Island, Antarctica, Southern Ocean, Polar Regions

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

Adult red-footed booby (Sula sula) returning to the nest site with nest building material in the Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

Adult gentoo penguin (Pygoscelis papua), feeding chicks at Brown Bluff near the Antarctic Peninsula, Southern Ocean, Polar Regions

Adult macaroni penguins (Eudyptes chrysolophus) plunging into the sea leaving their breeding colony at Elsehul on South Georgia, Southern Ocean, Polar Regions

Adult male Antarctic fur seal (Arctocephalus gazella) harassing a skua at Torgersen Island, Antarctica, Polar Regions

Adult Swallow-tailed gull (Creagrus furcatus) in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America

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

Adult Swallow-tailed gull (Creagrus furcatus) in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America

Female mallard duck with newly hatched ducklings, Anas platyrhynchos, on a stream in springtime at Swinbrook, the Cotswolds, UK

Female mallard duck with 14 newly hatched ducklings, Anas platyrhynchos, on a stream in springtime at Swinbrook, the Cotswolds, UK

Female mallard duck with new ducklings, Anas platyrhynchos, strolling on garden patio in springtime at Swinbrook, the Cotswolds, UK

Female Canada Goose, Branta canadensis, with young goslings, on River Windrush at Swinbrook, the Cotswolds, UK

Moorhen's nest, with seven eggs laid, made with twigs among iris plants in a pond in Swinbrook, the Cotswolds, Oxfordshire, UK

Moorhen's nest, with seven eggs laid, made with twigs among iris plants in a pond in Swinbrook, the Cotswolds, Oxfordshire, UK

Moorhen's nest, with seven eggs laid, made with twigs among iris plants in a pond in Swinbrook, the Cotswolds, Oxfordshire, UK

Female mallard duck with new ducklings, Anas platyrhynchos, on a stream in springtime at Swinbrook, the Cotswolds, UK

Masked Pufferfish (Arothron diadematus). Usually solo, seen here feeding on (Acropora Sp.) coral. Seen in large groups only during the breeding season. Found only in the Red Sea. Red Sea.

Masked Pufferfish (Arothron diadematus). Usually solo, seen here feeding on Acropora Sp. coral. Seen in large groups only during the breeding season. Found only in the Red Sea. Red Sea.

Adult Weddell Seal (Leptonychotes weddellii) hauled out on ice near the Antarctic Peninsula, Southern Ocean

Polar Bear (Ursa maritimus) on sea ice off the sub-arctic coast of Hudson Bay, Churchill, Manitoba, Canada. Bears come to the coast of Hudson Bay in Fall waiting for the ice to freeze, and looking for a careless seal or dead whale to wash up. Global warming has shortened their winter so they are increasingly anxious as they wait for winter. While they wait, they engage in frequent wrestling matches to determine a mating hierarchy for the breeding season in March and April, and regularly check on the ice to see if it will carry them out to sea.

Male Frigate bird with red gular pouch that is inflated during the breeding season to attract a mate, Heart, Galapagos, Ecuador, South America

Puffin (Fratercula arctica), standing in the grass, bird rock Latrabjard, Westfjords, Iceland, Europe

Common starling (Sturnus vulgaris) feeding young bird at breeding cavity, North Rhine-Westphalia, Germany, Europe

Great spotted woodpecker (Dendrocopos major), male with tongue outstretched at the entrance hole of the breeding cavity, Bad Homburg, Hesse, Germany

Northern gannet (Morus bassanus), flying birds above large breeding colony in a cliff face, Shetland Islands, Great Britain

White stork (Ciconia ciconia) leaving its nest against blue sky, Kuhlrade, Mecklenburg-Western Pomerania, Germany

White-breasted Cormorant (Phalacrocorax lucidos). Nesting on the Zeila shipwreck at the Skeleton Coast. Aerial view. Drone shot. Dorob National Park, Namibia

Thick-billed guillemot (Uria lomvia) on breeding rocks, alcids (Alcidae), Alkefjellet, Spitsbergen, Svalbard

Thick-billed guillemot (Uria lomvia) on an ice floe, sea, water, alcids (Alcidae), Alkefjellet, Spitsbergen, Svalbard

Thick-billed guillemot (Uria lomvia) on an ice floe, sea, water, alcids (Alcidae), Alkefjellet, Spitsbergen, Svalbard

Southern Yellow-billed Hornbill (Tockus leucomelas), Red-ringed Hornbill, adult, male, at breeding den, alert, Kruger, Kruger National Park, South Africa

Atlantic puffin (Fratercula arctica) on sea cliff top and flying gannets in seabird colony, Shetland Islands, Scotland, UK

King penguins (Aptenodytes patagonicus) on the beach, Volunteer Point, Falkland Islands, Great Britain, South Atlantic, South America

King penguins (Aptenodytes patagonicus), fighting over breeding partners during courtship, Volunteer Point, Falkland Islands, Great Britain, South Atlantic, South America

King penguins (Aptenodytes patagonicus), fighting over breeding partners during courtship, Volunteer Point, Falkland Islands, Great Britain, South Atlantic, South America

Atlantic puffin (Fratercula arctica) on sea cliff top and flying gannets in seabird colony, Shetland Islands, Scotland, UK

Aerial view of n (Morus bassanus) on the breeding rock Langanes with coast, Langanesbyggo, Norourland eystra, Iceland, Europe

Starling (Sturnus vulgaris), also known as the Common starling, with food for the young birds, insects, grasshoppers and grasshoppers as food for the young, foraging, breeding, breeding cavity, tree cavity, nesting site, Middle Elbe River Landscape, Middle Elbe Biosphere Reserve, Saxony-Anhalt, Germany, Europe

Hoopoe (Upupa epops) Bird of the Year 2022, male with food for his female, bridal gift, pair formation, courtship, begging for food, foraging, erected bonnet, pair, breeding cavity, sunrise, interaction, flying, climate change, Middle Elbe Biosphere Reserve, Saxony-Anhalt, Germany, Europe

Atlantic puffin (Fratercula arctica) on sea cliff top watching gannet flying by in seabird colony, Scotland, UK

Atlantic puffin (Fratercula arctica) on sea cliff top and great skua chasing gannet in seabird colony, Shetland Islands, Scotland, UK

Great crested grebe (Podiceps cristatus) at the nest with young bird in plumage, Oldenburger Muensterland, Vechta, Lower Saxony, Germany, Europe

Tawny owl (Strix aluco) flies at night with a yellow-necked mouse (Apodemus flavicollis) in its beak to the nesting box, North Rhine-Westphalia, Germany, Europe