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Pair of Patagonian crested ducks (Lophonetta specularioides) in courtship behaviour, the Neck, Saunders Island, Falkland Islands, South America
Male black grouse (Lyrurus tetrix) fighting on snow covered field, Finland
Male black grouse (Lyrurus tetrix) fighting on snow covered field, Finland
Courtship Display of Cuttlefish, Sepia sp., Ambon, Moluccas, Indonesia
Courtship Display of Cuttlefish, Sepia sp., Ambon, Moluccas, Indonesia
Mating display by pair of Wire-net filefish (Cantherhines paradalis), Queensland, Australia, Pacific
Cape Gannet (Morus capensis) pair necking as part of courtship, Bird Island, Lambert's Bay, South Africa, Africa
Spinetail devil rays (Mobula mobular) engaged in sexual courtship in Honda Bay, Palawan, The Philippines, Southeast Asia, Asia
Spinetail devil rays (Mobula mobular) engaged in sexual courtship in Honda Bay, Palawan, The Philippines, Southeast Asia, Asia
Spinetail devil rays (Mobula mobular) engaged in sexual courtship in Honda Bay, Palawan, The Philippines, Southeast Asia, Asia
Spinetail devil rays (Mobula mobular) engaged in sexual courtship in Honda Bay, Palawan, The Philippines, Southeast Asia, Asia
Adult gentoo penguins (Pygoscelis papua) courtship display, Neko Harbor, Antarctica, Southern Ocean, Polar Regions
A group of snorkellers observing spinetail devil rays (Mobula mobular) engaged in sexual courtship in Honda Bay, Palawan, The Philippines, Southeast Asia, Asia
Snorkellers observing spinetail devil rays (Mobula mobular) engaged in sexual courtship in Honda Bay, Palawan, The Philippines, Southeast Asia, Asia
King penguin (Aptenodytes patagonica) pair pre-mating behaviour, Salisbury Plain, South Georgia, Polar Regions
Spinetail devil rays (Mobula mobular) engaged in sexual courtship in Honda Bay, Palawan, The Philippines, Southeast Asia, Asia
Elegant terns (Thalasseus elegans) in courtship display on Isla Rasa, Baja California, Mexico, North America
Black-browed albatross, Thalassarche melanophris, courtship display on New Island, Falkland Islands, South Atlantic Ocean
Courtship Display of Cuttlefish, Sepia sp., Ambon, Moluccas, Indonesia
A pair of red phalaropes (Phalaropus fulicarius) in courtship display at Russebuhkta, Edgeoya, Svalbard, Arctic, Norway, Europe
Rockhopper penguin (Eudyptes chrysocome) courtship behaviour, Rockhopper Point, Sea Lion Island, Falkland Islands, South America
Black-browed albatross, Thalassarche melanophris, courtship display on New Island, Falkland Islands, South Atlantic Ocean
Black-browed albatross, Thalassarche melanophris, courtship display on New Island, Falkland Islands, South Atlantic Ocean
Waved albatross (Diomedea irrorata) courtship display, Espanola Island, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America
Adult gentoo penguins (Pygoscelis papua) courtship display, Neko Harbor, Antarctica, Southern Ocean, Polar Regions
Waved albatross (Diomedea irrorata) courtship display, Espanola Island, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America
Adult gentoo penguins (Pygoscelis papua) courtship display, Neko Harbor, Antarctica, Southern Ocean, Polar Regions
Male peacock courtship display
Mute swan pair, Cygnus olor, courting at Martin Mere Wildfowl and Wetlands Trust nature reserve, Burscough, Lancashire, England, United Kingdom, Europe
Adult black-browed albatross (Thalassarche melanophrys), pair in courtship display at nesting site on New Island, Falklands, South America
Adult black-browed albatross (Thalassarche melanophrys), trio in courtship display at nesting site on New Island, Falklands, South America
Antarctic shag (Phalacrocorax atriceps bransfieldensis), pair on nest at breeding site at Jougla Point, Antarctica, Polar Regions
Australasian gannet (Morus serrator) courtship display at Cape Kidnappers, North Island, New Zealand, Pacific
Lava lizard (Microlophus spp) courtship behavior in the Galapagos Islands Archipelago, UNESCO World Heritage Site, Ecuador, South America
Lava lizard (Microlophus spp) courtship behavior in the Galapagos Islands Archipelago, UNESCO World Heritage Site, Ecuador, South America
King penguin (Aptenodytes patagonicus) breeding and nesting colony at St. Andrews Bay on South Georgia, Southern Ocean, Polar Regions
King penguin (Aptenodytes patagonicus) mating behavior at breeding and nesting colony at St. Andrews Bay on South Georgia, Southern Ocean, Polar Regions
King penguins (Aptenodytes patagonicus) at breeding and nesting colony at Salisbury Plain in the Bay of Isles, South Georgia, Polar Regions
Adult wandering albatrosses (Diomedea exulans) at nest site on Prion Island in the Bay of Isles, South Georgia, Polar Regions
Adult light-mantled sooty albatrosses (Phoebetria palpebrata) on the wing in Elsehul on South Georgia, Southern Ocean, Polar Regions
Gentoo penguin (Pygoscelis papua) mating behavior at Jougla Point on Wiencke Island, Antarctica, Southern Ocean, Polar Regions
Gentoo penguin (Pygoscelis papua) mating behavior at Jougla Point on Wiencke Island, Antarctica, Southern Ocean, Polar Regions
Southern elephant seal (Mirounga leonina) mating behavior on South Georgia Island, Southern Ocean
Adult Grey-headed Albatross (Thalassarche chrysostoma) courtship display at Elsehul, South Georgia
A pair of hooded orioles (Icterus cucullatus), in courtship, San Jose del Cabo, Baja California Sur, Sea of Cortez, Mexico, North America
A male hooded oriole (Icterus cucullatus), in courtship, San Jose del Cabo, Baja California Sur, Sea of Cortez, Mexico, North America
Black grouse (Lyrurus tetrix), lekking, Cairngorms, Scotland, United Kingdom, Europe
Young Batak woman performing courtship dance, bowl of water and leaves symbolising commitment, Huta Bolon, Simanindo, Sumatra, Indonesia, Southeast Asia, Asia
Black-browed albatross (Thalassarche melanophrys) breeding colony on Carcass Island in the Falkland Islands
Black-browed albatross (Thalassarche melanophrys) breeding colony on New Island in the Falkland Island.
Adult brown bears (Ursus arctos) courtship behaviour, Brooks River, Katmai National Park near Bristol Bay, Alaska, United States of America
Yellow-billed stork (Mycteria ibis),mating pair at nest site, Chobe River, Botswana
Adult broadclub cuttlefish (Sepia latimanus) courtship display, Sebayur Island, Flores Sea, Indonesia, Southeast Asia, Asia
Kori bustard (Ardeotis kori) male courtship display, Kgalagadi Transfrontier Park, Northern Cape, South Africa, Africa
Blue-footed booby (Sula nebouxii) pair in courtship display on San Cristobal Island, Galapagos, Ecuador, South America
Blue-footed booby (Sula nebouxii) pair in courtship display on San Cristobal Island, Galapagos, Ecuador, South America
Blue-footed booby (Sula nebouxii) pair in courtship display on North Seymour Island, Galapagos, Ecuador, South America
Adult male great frigatebirds (Fregata minor), courtship display. Genovesa Island, Galapagos, UNESCO World Heritage Site, Ecuador, South America
California gray whales (Eschrichtius robustus), courtship behavior, San Ignacio Lagoon, Baja California Sur, Mexico, North America
Adult black-browed albatross (Thalassarche melanophrys), pair in courtship display at nesting site on New Island, Falklands, South America
Rock shag (Phalacrocorax magellanicus), pair exhibiting courtship behavior near New Island in the Falkland Islands, South America
Adult black-legged kittiwake (Rissa tridactyla) in combat with a second kittiwake near Alexander Island, Franz Josef Land, Russia, Arctic Ocean, Eurasia
Lava lizard (Microlophus spp) courtship behavior in the Galapagos Islands Archipelago, UNESCO World Heritage Site, Ecuador, South America
Male Great frigatebird (Fregata minor) in breeding plumage with greenish metalic sheen to feathers) North Seymour Island, Galapagos Islands, 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
Blue-footed booby (Sula nebouxii) courtship behavior in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America
Blue-footed booby (Sula nebouxii) courtship behavior in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America
Adult chinstrap penguins (Pygoscelis antarctica) mating at Baily Head on Deception Island, Antarctica, Southern Ocean, Polar Regions
Imperial Shags (Phalacrocorax (atriceps) atriceps) at breeding colony on small islets off the city of Ushuaia, Argentina, South America
Blue Footed Booby (Sula nebouxii), a marine bird found in the Eastern Pacific whose unusual blue feet feature in courtship rituals, Galapagos, UNESCO World Heritage Site, Ecuador, South America
Adult waved albatrosses (Diomedea irrorata) at breeding colony on Espanola Island in the Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America
Southern elephant seal (Mirounga leonina) mating behavior on South Georgia Island, Southern Ocean
A pair of hooded orioles (Icterus cucullatus), in courtship, San Jose del Cabo, Baja California Sur, Sea of Cortez, Mexico, North America
Adult arctic tern (Sterna paradisaea) male bringing female a fish, Spitsbergen Island in the Svalbard Archipelago, Norway
Adult Atlantin puffin (Fratercula arctica) during breeding season on Sumburgh Head, Shetlands, Scotland, United Kingdom
Adult black-browed albatross (Thalassarche melanophrys), pair in courtship display at nesting site on New Island, Falklands, South America
Imperial Shag (Phalacrocorax atriceps), pair exhibiting courtship behavior on New Island in the Falkland Islands, South America
Imperial Shag (Phalacrocorax atriceps), pair exhibiting courtship behavior on New Island in the Falkland Islands, South America
Imperial shag (Phalacrocorax atriceps), returning to the nest on New Island in the Falkland Islands, South America
Adult black-browed albatross (Thalassarche melanophrys), pair in courtship display at nesting site on New Island, Falklands, South America
Nesting puffin pair, United Kingdom, Europe
Adult chinstrap penguins (Pygoscelis antarctica), mating at breeding colony on Half Moon Island, Antarctica, Polar Regions
Male Great frigatebird (Fregata minor) in breeding plumage with red gular pouch, on North Seymour Island, Galapagos Islands, UNESCO World Heritage Site, Ecaudor, South America
Adult Nazca booby (Sula grantii) with downy chick in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America
Adult Nazca booby (Sula grantii) pair in courtship in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America
Caspian Terns (Hydroprogne caspia) at breeding colony on Ile des Oiseaux in the Parc National du Delta du Saloum, UNESCO World Heritage Site, Senegal, West Africa, Africa
Male great frigatebird (Fregata minor) in breeding plumage in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America
Blue footed booby (sula nebouxii) incubating eggs at Punta Pitt, San Cristobal Island, Galapagos, UNESCO, Ecuador
Adult brown bear pair (Ursus arctos) exhibiting courtship behavior at Scidmore Cut in Glacier Bay National Park, Alaska, United States of America
Adult Atlantic puffins (Fratercula arctica), breeding on the island of Bolscheoya in the Svalbard Archipelago, Norway
Adult arctic tern (Sterna paradisaea) male bringing female a fish, Spitsbergen Island in the Svalbard Archipelago, Norway
Adult whooper swan (Cygnus cygnus), pair on nest near Lake Myvatn, Iceland
Adult whooper swan (Cygnus cygnus), pair on nest near Lake Myvatn, Iceland
Imperial Shag (Phalacrocorax atriceps), pair exhibiting courtship behavior on New Island in the Falkland Islands, South America
Adult black-browed albatross (Thalassarche melanophrys), pair in courtship display at nesting site on New Island, Falklands, South America
Adult waved albatross (Diomedea irrorata) at breeding colony on Espanola Island, Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America
Adult Nazca booby (Sula grantii) pair in courtship in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America
Adult wandering albatross (Diomedea exulans), courtship display on Prion Island, Bay of Isles, South Georgia, South Atlantic, Polar Regions
Blue-footed booby (Sula nebouxii) courtship behavior in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America
Blue-footed booby (Sula nebouxii) courtship behavior in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America