979-1965 - Adult Antarctic Tern (Sterna vittata) nesting and mating on Enterprise Island near the wreck of the Gouvernoren, a Norwegian whaler which caught fire and sank in Wilhelmina Bay in 1916, Antarctica.
979-2854 - Sunset over a magnificent frigatebird (Fregata magnificens) breeding colony on Isla Magdalena, Bahia de Magdalena, Baja California Sur, Mexico.
979-3623 - An adult Galapagos dove (Zenaida galapagoensis) in beautiful breeding plumage on Espanola Island in the Galapagois Island Archipelago, Ecuador, Pacific Ocean
979-1457 - King penguin (Aptenodytes patagonicus) pair courtship in colony of nesting animals numbering between 70,000 and 100,000 nesting pairs on Salisbury Plain on South Georgia Island, South Atlantic Ocean.
979-1459 - King penguin (Aptenodytes patagonicus) courtship in a colony of nesting animals numbering between 70,000 and 100,000 nesting pairs on Salisbury Plain on South Georgia Island, South Atlantic Ocean.
979-3624 - An adult Galapagos dove (Zenaida galapagoensis) in beautiful breeding plumage on Espanola Island in the Galapagois Island Archipelago, Ecuador, Pacific Ocean
979-1600 - Adelie penguins (Pygoscelis adeliae) mock-mating (it is not mating season) on the beach on Paulet Island, Antarctic Peninsula. Adelie penguins are truly an ice dependant penguin species.
979-9484 - Young Captive Galapagos giant tortoise (Geochelone elephantopus) being fed at the tortuguero breeding station, Puerto Villamil on Isabela Island in the Galapagos Island Archipelago, Ecuador
979-1824 - Adult waved albatross (Diomedea irrorata) on Espanola Island in the Galapagos Island Group, Ecuador. Pacific Ocean. This species of albatross is endemic to the Galapagos Islands.
979-1460 - King penguin (Aptenodytes patagonicus) pair in colony of nesting animals numbering between 70,000 and 100,000 nesting pairs on Salisbury Plain on South Georgia Island, South Atlantic Ocean.
979-3510 - Elegant terns (Sterna elegans) nesting on tiny and remote Isla Rasa in the middle Gulf of California (Sea of Cortez), Baja California Norte, Mexico
979-3406 - Adult male common merganser (Mergus merganser) in breeding plumage taking flight in Gambier Bay on Admiralty Island, Southeastern Alaska, USA
979-551 - Competitive adult male Humpback Whales (Megaptera novaeangliae) showing aggression towards each other in possible mating posture in shallow water off Lanai, Hawaii, USA. Pacific Ocean.
979-1666 - Chinstrap penguin pair mating (Pygoscelis antarctica) at breeding colony on Bailey Head on Deception Island in the South Shetland Islands, Antarctica
979-2855 - Adult male magnificent frigatebird (Fregata magnificens) near breeding colony on Isla Magdalena, Bahia de Magdalena, Baja California Sur, Mexico.
979-5576 - Adult green sea turtles (Chelonia mydas agassizii) mating (male on top of female) in the waters surrounding the Galapagos Island Archipeligo, Ecuador. Pacific Ocean.
979-1964 - Adult Antarctic Tern (Sterna vittata) nesting and mating on Enterprise Island near the wreck of the Gouvernoren, a Norwegian whaler which caught fire and sank in Wilhelmina Bay in 1916, Antarctica
979-1851 - Blue-footed booby (Sula nebouxii) mating display in the Galapagos Island Group, Ecuador. The Galapagos are a nest and breeding area for blue-footed boobies.
979-3402 - Adult female common merganser (Mergus merganser) in breeding plumage in Gambier Bay on Admiralty Island, Southeastern Alaska, USA. Pacific Ocean.
979-664 - Adult humpback Whale (Megaptera novaeangliae) head-lunge in competitive group (possible mating behavior?) in the AuAu Channel, Maui, Hawaii, USA. Pacific Ocean.
979-3388 - Heermann's gull (Larus heermanni) on their breeding grounds on tiny and remote Isla Rasa in the middle Gulf of California (Sea of Cortez), Mexico
979-5575 - Adult green sea turtles (Chelonia mydas agassizii) mating (male on top of female) in the waters surrounding the Galapagos Island Archipeligo, Ecuador. Pacific Ocean.
979-1939 - Heermann's Gull (Larus heermanni) mating ritual on their breeding grounds on Isla Rasa in the middle Gulf of California (Sea of Cortez), Mexico
979-1665 - Chinstrap penguin pair mating (Pygoscelis antarctica) at breeding colony on Bailey Head on Deception Island in the South Shetland Islands, Antarctica
979-1670 - Chinstrap penguin pair (Pygoscelis antarctica) mating at a breeding colony on Barrentos Island in the Aitcho Island Group in the South Shetland Islands near the Antarctic Peninsula
979-1849 - Blue-footed booby (Sula nebouxii) mating exhibition in the Galapagos Island Group, Ecuador. The Galapagos are a nest and breeding area for blue-footed boobies.
979-1941 - Heermann's Gull (Larus heermanni) mating ritual on their breeding grounds on Isla Rasa in the middle Gulf of California (Sea of Cortez), Mexico
979-1831 - Adult waved albatross (Diomedea irrorata) on Espanola Island in the Galapagos Island Group, Ecuador. Pacific Ocean. This species of albatross is endemic to the Galapagos Islands.
979-1458 - King penguin (Aptenodytes patagonicus) courtship near colony of nesting animals numbering between 70,000 and 100,000 nesting pairs on Salisbury Plain on South Georgia Island, South Atlantic Ocean.
920-402 - Frog (Chaunus (Bufo) crucifer) copulating with female in captivity, Herpetology laboratory at University of Sao Paulo, Sao Paulo, Brazil, South America