71438767 - Common Tern (Sterna hirundo) foraging in the Sehlendorf Lake, Baltic Sea, Schleswig-Holstein, Germany13820574 - Arctic Tern (Sterna paradisaea) on Hudson Bay, Churchill, Manitoba, Canada. Arctic Terns nest commonly in Northern Manitoba, Nunavut, and the Northwest territories. They defend their nests and young very aggressively against all predators and threats including humans.71438766 - Common Tern (Sterna hirundo) foraging in the Sehlendorf Lake, Baltic Sea, Schleswig-Holstein, Germany13837165 - Portrait of a sooty tern, Sterna fuscata, in flight. Mahe Island, The Republic of the Seychelles.13820459 - Arctic Tern (Sterna paradisaea) on Hudson Bay, Churchill, Manitoba, Canada. Arctic Terns nest commonly in Northern Manitoba, Nunavut, and the Northwest territories. They defend their nests and young very aggressively against all predators and threats including humans.13813076 - Least Tern (Sterna antillarum), young tern calling, Port Isabel, Laguna Madre, South Padre Island, Texas, USA13820470 - Arctic Tern (Sterna paradisaea) on Hudson Bay, Churchill, Manitoba, Canada. Arctic Terns nest commonly in Northern Manitoba, Nunavut, and the Northwest territories. They defend their nests and young very aggressively against all predators and threats including humans.13820461 - Arctic Tern (Sterna paradisaea) on Hudson Bay, Churchill, Manitoba, Canada. Arctic Terns nest commonly in Northern Manitoba, Nunavut, and the Northwest territories. They defend their nests and young very aggressively against all predators and threats including humans.71438765 - Common Tern (Sterna hirundo) with food in the Sehlendorfer Binnensee, Baltic Sea, Schleswig-Holstein, Germany13829534 - Elegant Terns (Sterna elegans) and Heermann's Gull (Larus heermanni) at La Rasa Island, Sea of Cortez, Mexico13820637 - Arctic Tern (Sterna paradisaea) on Hudson Bay, Churchill, MB, Canada.13820592 - Arctic Tern (Sterna paradisaea) on Hudson Bay, Churchill, Manitoba, Canada. Arctic Terns nest commonly in Northern Manitoba, Nunavut, and the Northwest territories. They defend their nests and young very aggressively against all predators and threats including humans.13820589 - Arctic Tern (Sterna paradisaea) on Hudson Bay, Churchill, Manitoba, Canada. Arctic Terns nest commonly in Northern Manitoba, Nunavut, and the Northwest territories. They defend their nests and young very aggressively against all predators and threats including humans.13820475 - Arctic Tern (Sterna paradisaea) on Hudson Bay, Churchill, Manitoba, Canada. Arctic Terns nest commonly in Northern Manitoba, Nunavut, and the Northwest territories. They defend their nests and young very aggressively against all predators and threats including humans.13820467 - Arctic Tern (Sterna paradisaea) on Hudson Bay, Churchill, Manitoba, Canada. Arctic Terns nest commonly in Northern Manitoba, Nunavut, and the Northwest territories. They defend their nests and young very aggressively against all predators and threats including humans.13999603 - Arctic tern (Sterna paradisaea) at nest,Mushamna,Woodfjorden,Spitsbergen,Svalbard Islands,Norway.71438768 - Common Tern (Sterna hirundo) foraging in the Sehlendorf Lake, Baltic Sea, Schleswig-Holstein, Germany13829533 - Elegant Terns (Sterna elegans) and Heermann's Gull (Larus heermanni) at La Rasa Island, Sea of Cortez, Mexico13986533 - Flock of Caspian terns (Sterna Caspia) at Punta Belcher on Isla Magdalena,Baja California,Mexico13986363 - Arctic tern (Sterna paradisaea) on a perch of glacial ice,Spitsbergen,Svalbard,Norway13884975 - Nesting Arctic Terns (Sterna paradisaea) competing for territory on Vigur Island with a flat-topped mountain peak in the background; Vigur Island, Isafjardardjup Bay, Iceland13986543 - Arctic Tern (Sterna paradisaea) in flight over Vigur Island in Isafjordur Bay,Iceland13884994 - Arctic Tern (Sterna paradisaea) flying over the Atlantic Ocean at Vigur Island with a flat-topped mountain peak in the background. Located just south of the Arctic Circle, the island is famous for its enormous colony of birdlife; Vigur Island, Isafjardardjup Bay, Iceland13884993 - Arctic Tern (Sterna paradisaea) flying over grassy field on Vigur Island with a flat-topped mountain peak in the background. Located just south of the Arctic Circle, the island is famous for its enormous colony of birdlife; Vigur Island, Isafjardardjup Bay, Iceland13884981 - Arctic Terns (Sterna paradisaea) flying over the icy, glacial landscape in the Glacier River Lagoon area, where calved icebergs from the Vatnajokull Glacier fall into the lagoon and stay until they are small enough to pass through to the sea. Vatnajokull is the largest glacier in Iceland; Djupivogur, South Coast, Iceland13772668 - Flock Of White-Fronted Terns (Sterna Striata) In Flight At Rapahoe Beach, On The West Coast Of The South Island; New Zealand14348369 - Adult Antarctic tern (Sterna vittata) resting on the National Geographic Explorer near Tristan da Cunha, South Atlantic Ocean14305893 - Antarctic tern (Sterna vittata), feeding in the Enterprise Islands, Antarctica, Southern Ocean, Polar Regions14306656 - Common Terns (Sterna hirundo), in their breeding colony in June, on Brownsea Island, a nature reserve in Poole Harbour, Dorset, England, United Kingdom, Europe14306655 - Sandwich Terns (Sterna sandivicensis), in their breeding colony in June, on Brownsea Island, a nature reserve in Poole Harbour, Dorset, England, United Kingdom, Europe14348372 - Juvenile Antarctic tern (Sterna vittata) resting on ship's rail near Tristan da Cunha, South Atlantic Ocean14305884 - Antarctic tern (Sterna vittata), on the wreck of the Guvernoren in the Enterprise Islands, Antarctica, Southern Ocean, Polar Regions14305876 - Antarctic tern (Sterna vittata), on the wreck of the Guvernoren in the Enterprise Islands, Antarctica, Southern Ocean, Polar Regions14348374 - Juvenile Antarctic tern (Sterna vittata) resting on ship's rail near Tristan da Cunha, South Atlantic Ocean14348371 - Adult Antarctic tern (Sterna vittata) resting on ship's rail near Tristan da Cunha, South Atlantic Ocean14306665 - Sandwich Terns (Sterna sandivicensis), in their breeding colony in June, on Brownsea Island, a nature reserve in Poole Harbour, Dorset, England, United Kingdom, Europe14351930 - Antarctic tern (Sterna vittata) in brash ice near the Antarctic Peninsula, Antarctica, Southern Ocean, Polar Regions14348370 - Adult Antarctic tern (Sterna vittata) in flight near Tristan da Cunha, South Atlantic Ocean14307076 - Adult arctic tern (Sterna paradisaea) feeding on small fish on Spitsbergen Island in the Svalbard Archipelago, Norway, Arctic, Europe14306657 - Common Terns (Sterna hirundo), in their breeding colony in June, on Brownsea Island, a nature reserve in Poole Harbour, Dorset, England, United Kingdom, Europe14351931 - Antarctic tern (Sterna vittata) in brash ice near the Antarctic Peninsula, Antarctica, Southern Ocean, Polar Regions14348373 - Juvenile Antarctic tern (Sterna vittata) in flight near Tristan da Cunha, South Atlantic Ocean14305946 - Antarctic tern (Sterna vittata), on the wreck of the Guvernoren in the Enterprise Islands, Antarctica, Southern Ocean, Polar Regions70518846 - Fiji, Black-Naped Tern, Sterna Sumatrana.71328025 - Hundreds of South American terns (Sterna hirundinacea) fly into the air from a headland on the edge of the ocean, Isla Magdalena, Magallanes y de la Antartica Chilena, Patagonia, Chile, South America70518847 - Fiji, Black-Naped Tern, Sterna Sumatrana.70174124 - A wine cellar in an old cave, Sterna Winery, Kathikas, Laona, South Cyprus, Cyprus71328024 - Hundreds of South American terns (Sterna hirundinacea) fly into the air from a headland on the edge of the ocean, Isla Magdalena, Magallanes y de la Antartica Chilena, Patagonia, Chile, South America70514649 - Antarctic Tern in flight, Sterna vittata, South Georgia, Subantarctic, Antarctica71076198 - Common Tern, Sterna paradisaea, Bretagne, France70483480 - 'Arctic Tern (Sterna Paradisaea) In Flight; Farne Islands, Northumberland, England'71325542 - Arctic Tern - on nest Sterna paradisaea Iceland BI02660571325373 - Common Tern (Sterna hirundo) 2 summer plumage adults, fighting, Minsmere RSPB reserve, Suffolk, England, UK, August71325314 - Arctic tern (Sterna paradisaea) during the breeding season.Reykjanesta. Iceland. Arctic and sub-Arctic regions of Europe, Asia, and North America (as far south as Brittany and Massachusetts).71033944 - Adult arctic tern (Sterna paradisaea) returning to chick with small fish, Flatey Island, Iceland, Polar Regions71033941 - Adult arctic tern (Sterna paradisaea) returning to chick with small fish, Flatey Island, Iceland, Polar Regions70294672 - Sterne Pierre Garin - Hirondelle de mer - Common Tern - Sea Swallow - Sterna hirundo70184603 - Royal Tern (Sterna maxima). Coco Plum Cay. Belize. Caribbean70125345 - Adult Arctic Tern (Sterna paradisaea) on ice near Dawes Glacier, Endicott Arm, Southeast Alaska, USA.71325559 - Arctic Tern - catching fish from lagoon Sterna paradisaea Jokulsarlon Lagoon Iceland BI028921 71113150 - Common tern (Sterna hirundo) Screeching on a beach. This seabird is found in the sub-arctic regions of Europe, Asia and central North America. It migrates to the subtropical and tropical oceans. The common tern grows up to 37 centimetres with a wingspan o71103176 - Arctic Tern (Sterna paradisaea) in flight with little fish in beak, with yellow flowers in background, Iceland.71033962 - South American terns (Sterna hirundinacea) near Rio Deseado, Puerto Deseado, Santa Cruz, Patagonia, Argentina, South America70323599 - South American Tern, Sterna hirundinacea, Order:Charadriiformes, Family:Sternidae, Falkland Islands, Sea Lion Island70294645 - Pied Avocet Recurvirostra avosetta) and Little Tern Sterna albifrons)70125473 - Elegant Terns (Sterna elegans) on Isla Rasa in the middle Gulf of California (Sea of Cortez), Mexico.70094731 - River Tern (Sterna aurantia) with young one71325313 - Arctic tern (Sterna paradisaea) at bath and grooming. Vatnesnes peninsula. Iceland. Arctic and sub-Arctic regions of Europe, Asia, and North America (as far south as Brittany and Massachusetts).71135148 - Arctic tern (Sterna paradisaea) with sand eel, Inner Farne, Farne Islands, Northumberland, England, United Kingdom, Europe71102406 - Photographing Arctic Terns (Sterna paradisaea), Flatey Island, Breidafjordur, Iceland.70516488 - Arctic tern, Sterna paradisaea.70323600 - South American Tern, Sterna hirundinacea, Order:Charadriiformes, Family:Sternidae, Falkland Islands, Sea Lion Island70153131 - An artic tern (Sterna Paradisaea) feeding it s young in evening light. Vasterbotten. Sweden70147292 - South American Tern (Sterna hirundinacea)71033943 - Adult arctic tern (Sterna paradisaea) returning to chick with small fish, Flatey Island, Iceland, Polar Regions70323601 - South American Tern, Sterna hirundinacea, Order:Charadriiformes, Family:Sternidae, Falkland Islands, Sea Lion Island70323597 - South American Tern, Sterna hirundinacea, Order:Charadriiformes, Family:Sternidae, Falkland Islands, Sea Lion Island70315614 - Elegant terns Sterna elegans nesting on Isla Rasa in the middle Gulf of California Sea of Cortez, Mexico About 95 of the world´s population of elegant terns nest on this tiny island, 2007 population estimates show about 200,000 nesting pairs here71325560 - Arctic Tern - flying across iceberg Sterna paradisaea Jokulsarlon Lagoon Iceland BI028907 71325558 - Arctic Tern - catching fish from lagoon Sterna paradisaea Jokulsarlon Lagoon Iceland BI028931 71033960 - South American terns (Sterna hirundinacea) near Rio Deseado, Puerto Deseado, Santa Cruz, Patagonia, Argentina, South America70504232 - Arctic tern (Sterna paradisaea) in flight, Nunavut, Canada, North America70294671 - Sterne Pierre Garin - Hirondelle de mer - Common Tern - Sea Swallow - Sterna hirundo70153132 - An attacking artic tern (Sterna Paradisaea)71319642 - Adult arctic terns (Sterna paradisaea) in dispute on Flatey Island, Iceland, Polar Regions70342373 - Arctic July 10 - 20 2010 Hall Beach, Nunavut, Canadian High Arctic Arctic tern, Sterna paradisaea, in flight The birds have the longest known migration of any bird, flying between their ARctic summer breeding grounds and the other end of the planet in An70323598 - South American Tern, Sterna hirundinacea, Order:Charadriiformes, Family:Sternidae, Falkland Islands, Sea Lion Island70323596 - South American Tern, Sterna hirundinacea, Order:Charadriiformes, Family:Sternidae, Falkland Islands, Sea Lion Island70126101 - Fisherman and tern (Sterna sp.). Lagartos river. Yucatan. Mexico71182448 - Arctic tern ,Sterna paradisaea, on the Farne Islands, Northumberland, England, United Kingdom, Europe71227663 - An Arctic tern chick, Sterna paradisaea, calling to be fed by a parent, Vigur Island, Iceland.71227662 - An adult Arctic tern, Sterna paradisaea, returning to the nest with fish, Vigur Island, Iceland.71208294 - Adult Arctic terns (Sterna paradisaea), returning to the nest with fish, Vigur Island, Iceland, Polar Regions