1131-1980 - Rufous Hornero (Furnarius rufus) beside its nest, Serra da Canastra National Park, Minas Gerais, Brazil, South America

1352-150 - Nesting storks on the the Iglesia de San Martin, on the left and centre, and Torre del Alfiler, on the right, Trujillo, Caceres, Extremadura, Spain, Europe

860-292061 - Barn Owl (Tyto alba). At its nest. A former communal nest of Sociable Weavers (Philetairus socius). Kalahari Desert, Kgalagadi Transfrontier Park, South Africa.

860-292030 - Great tit (Parus major) feeding on a dyke, France

860-291953 - Southern Carmine Bee-eater (Merops nubicoides), on the cliff of the Luangwa river, Luangwa river, South Luangwa natioinal Park, Zambia

860-291952 - Southern Carmine Bee-eater (Merops nubicoides), on the cliff of the Luangwa river, Luangwa river, South Luangwa natioinal Park, Zambia, Africa

860-291951 - Southern Carmine Bee-eater (Merops nubicoides), on the cliff of the Luangwa river, a white-fronted bee-eater (Merops bullockoides) hold the tail' feathers, Luangwa river, South Luangwa natioinal Park, Zambia, Africa

860-291950 - Southern Carmine Bee-eater (Merops nubicoides), on the cliff of the Luangwa river, Luangwa river, South Luangwa natioinal Park, Zambia,

860-291922 - Tengmalm's owl (Aegolius funereus) emerging from a cavity in a dead tree, Finland

1184-9044 - Close up of a Puffin, Puffin bird viewing site in Elliston, Bonavista Peninsula, Newfoundland, Canada, North America

1184-9042 - Close up of a Puffin, Puffin bird viewing site in Elliston, Bonavista Peninsula, Newfoundland, Canada, North America

1184-9041 - Close up of a Puffin, Puffin bird viewing site in Elliston, Bonavista Peninsula, Newfoundland, Canada, North America

1184-9039 - Close up of a Puffin, Puffin bird viewing site in Elliston, Bonavista Peninsula, Newfoundland, Canada, North America

1184-9038 - Close up of a Puffin, Puffin bird viewing site in Elliston, Bonavista Peninsula, Newfoundland, Canada, North America

1116-52884 - A wet bald eagle (Haliaeetus leucocephalus) sits perched on a nest in grass atop an island at low tide, exposing rock and orange, yellow seaweed on a cloudy day in Prince William Sound, Alaska, United States of America

1116-52767 - A mated pair of northern gannets preen each other on their nest., Bonaventure Island, Quebec, Canada.

1112-8580 - Great frigatebird (Fregata minor) chicks on the nest on North Seymour Island, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

1112-8565 - Adult male great frigatebird (Fregata minor), on the nest on North Seymour Island, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

1112-8555 - Great frigatebird (Fregata minor) chick on the nest on North Seymour Island, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

832-401601 - Puffin (Fratercula arctica), Puffin breeding on Runde Island, Heroy, Norway, Europe

832-401600 - Puffin (Fratercula arctica), Puffin breeding on Runde Island, Heroy, Norway, Europe

832-401299 - European green woodpecker (Picus viridis), male at nest hole feeding the young, Biosphere Reserve, Swabian Alb, Baden-Wuerttemberg, Germany, Europe

832-401298 - European green woodpecker (Picus viridis), male at nest hole feeding the young, Biosphere Reserve, Swabian Alb, Baden-Wuerttemberg, Germany, Europe

832-401297 - European green woodpecker (Picus viridis), male looking out of nest cavity, Biosphere Reserve, Swabian Alb, Baden-Wuerttemberg, Germany, Europe

1112-7520 - Adult male magnificent frigatebird (Fregata magnificens), on its nest, Iguana Island, Panama, Central America

1112-7503 - Adult red-billed tropicbird (Phaethon aethereus), in flight near nest at Isla San Pedro Martir, Baja California, Mexico, North America

1112-7501 - Adult osprey (Pandion haliaetus), on nest built over the years, Isla Rasa, Baja California, Mexico, North America

1112-7485 - Heermann's gull (Larus heermanni), egg clutch detail at breeding colony on Isla Rasa, Baja California, Mexico, North America

832-401245 - Common starling (Sturnus vulgaris), old bird feeding young bird at the breeding cavity, Hesse, Germany, Europe

832-401244 - Common starling (Sturnus vulgaris), adult bird approaching breeding cavity with food in its beak, Hesse, Germany, Europe

832-400723 - Weavers (Ploceidae), birds nest, Namibia, Africa

832-400489 - Northern gannet (Morus bassanus) adult bird collecting nesting material amongst flowering Red campion plants on a clifftop, Yorkshire, England, United Kingdom, Europe

832-400441 - Yellow weaver bird, ploceidea, with spread open wings at its nest, Mombasa

832-400017 - Two storks in the nest mating. Philippsburg, Baden-Wuerttemberg, Germany, Europe

832-399534 - Puffin (Fratercula arctica), Puffin, nesting material in beak, Staple Island, Farne Islands Nature Reserve, Farne Islands, Northumberland, England, United Kingdom, Europe

832-399536 - Puffin (Fratercula arctica), Puffin on Bird Rock, Staple Island, Farne Islands Nature Reserve, Farne Islands, Northumberland, England, United Kingdom, Europe

83-13365 - Olive Ridley turtle digs nest in the sun at this crucial beach refuge, Playa Ostional, Nicoya Peninsula, Guanacaste, Costa Rica, Central America

83-13360 - Vultures wait to steal eggs as Olive Ridley turtle digs nest at this refuge, Ostional, Nicoya Peninsula, Guanacaste, Costa Rica, Central America

1131-1865 - Flying Crested Oropendolas (Cornbirds) (Psarocolius decumanus) over nesting place, Manu National Park, Peruvian Amazon, Peru, South America

1112-7387 - An adult great horned owl (Bubo virginianus), sitting on the nest in Madera Canyon, southern Arizona, Arizona, United States of America, North America

1112-7385 - An adult great horned owl (Bubo virginianus), with chick sitting on a nest in Madera Canyon, southern Arizona, Arizona, United States of America, North America

741-6235 - Speke's Weaver (Ploceus spekei) nesting in acacia tree, Ndutu Conservation Area, Serengeti, Tanzania, East Africa, Africa

741-6233 - Speke's Weaver (Ploceus spekei) nesting in acacia tree, Ndutu Conservation Area, Serengeti, Tanzania, East Africa, Africa

832-398255 - Honey bee at the hive, Hamburg, Germany, Europe

832-398256 - Honey bee at the hive, Hamburg, Germany, Europe

1112-7065 - Adult black-legged kittiwakes (Rissa tridactyla), fighting at nest site on the cliffs at southern Bjornoya, Svalbard, Norway, Europe

832-397643 - Female pike-perch (Sander lucioperca) guarding clutch in nest on lake bottom, quarry pond with fresh water, Germany, Europe

860-291212 - Barn owl (Tyto alba) flying with a prey in his talon, England

860-291220 - Big colony of the bee-eaters (Merops apiaster) in their burrows on a clay wall. Africa. Uganda.

860-291211 - Barn owl (Tyto alba) perhed on a barn door with a prey, England

860-291153 - Magnificent frigatebird (Fregata magnificens) is sitting on a nest. Galapagos Islands. Birds. Ecuador.

860-291154 - Magnificent frigatebird (Fregata magnificens) is sitting on bush branches. Galapagos Islands. Birds. Ecuador.

860-291227 - Blue footed booby (Sula Nebouxii) upon its eggs on the ground. Galapagos archipelago. Ecuador.

860-291151 - Magnificent frigatebird (Fregata magnificens) is sitting on a nest. Galapagos Islands. Birds. Ecuador.

860-291293 - Atlantic puffin (Fratercula arctica), Mykines Island, Faroe Islands, Denmark.

860-291152 - Portrait of Magnificent frigatebird (Fregata magnificens). Galapagos Islands. Birds. Ecuador.

860-291379 - Little owl (Athena noctua) peeking from his hole, England

860-291221 - Big colony of the bee-eaters (Merops apiaster) in their burrows on a clay wall. Africa. Uganda.

860-291085 - Hoopoe (Upupa epops), feeding at a nest in a dry stone wall in the Alsatian vineyard, Haut-Rhin, France

832-397244 - Raccoon (Procyon lotor), fawn looking out of its tree hollow, Hesse, Germany, Europe

832-397245 - Raccoon (Procyon lotor), young and fawn looking out of their tree den, Hesse, Germany, Europe

741-6119 - White Stork (Ciconia ciconia), Donana National and Natural Park, Andalusia, Spain, Europe

741-6123 - White Stork (Ciconia ciconia), Donana National and Natural Park, Andalusia, Spain, Europe

741-6124 - White Stork (Ciconia ciconia), Donana National and Natural Park, Andalusia, Spain, Europe

832-397032 - Great crested grebe (Podiceps cristatus) on nest with young bird, Hesse, Germany, Europe

832-397031 - Great crested grebe (Podiceps cristatus) on nest with young bird in plumage, turning eggs, Hesse, Germany, Europe

832-396812 - Northern gannet (Morus bassanus), bird lying on nest of fishing nets, plastic waste pollution, Helgoland, Schleswig-Holstein, Germany, Europe

832-396792 - Northern northern gannet (Morus bassanus), confrontation between different animals on the breeding rock, Helgoland, Schleswig-Holstein, Germany, Europe

832-396439 - Puffin (Fratercula arctica) with nesting material, Skomer Island, Wales, Great Britain

1112-6716 - Adult Magellanic penguin (Spheniscus magellanicus), being accosted by hungry chicks on New Island, Falklands, South America

1112-6717 - Adult Magellanic penguin (Spheniscus magellanicus), being accosted by hungry chicks on New Island, Falklands, South America

1112-6701 - Black-browed albatross (Thalassarche melanophris), chicks at breeding colony on Saunders Island, Falklands, South America

1112-6709 - Adult imperial shag (Leucocarbo atriceps), feeding a chick at a breeding colony on Saunders Island, Falklands, South America

1112-6703 - Black-browed albatross (Thalassarche melanophris), chicks at breeding colony on Saunders Island, Falklands, South America

1112-6702 - Black-browed albatross (Thalassarche melanophris), chicks at breeding colony on Saunders Island, Falklands, South America

1112-6700 - Black-browed albatross (Thalassarche melanophris), chick at breeding colony on Saunders Island, Falklands, South America

860-290552 - Barn owl (Tyto Alba) in flight with a prey, England

860-290888 - Tengmalm's Owl (Aegolius funereus) in a lodge dug in a beech tree by a black woodpecker, Massif des Bauges, France

832-396287 - Purple heron (Ardea purpurea) at nest with young, Baden-Wuerttemberg, Germany, Europe

832-396157 - Flying great cormorant (Phalacrocorax carbo) with nesting material building a nest, Lembruch, Lower Saxony, Germany, Europe

832-396286 - Purple heron (Ardea purpurea) at nest with young, Baden-Wuerttemberg, Germany, Europe

832-396056 - Young little owls (Athene noctua) at the breeding tube, Emsland, Lower Saxony, Germany, Europe

832-396153 - Great crested grebe (Podiceps cristatus) at the nest with young bird in plumage, Oldenburger Muensterland, Vechta, Lower Saxony, Germany, Europe

832-396155 - Great crested grebe (Podiceps cristatus) copulating at the nest, Oldenburger Muensterland, Vechta, Lower Saxony, Germany, Europe

1112-6626 - Adult yellow-rumped cacique (Cacicus cela), at nest on the Rio Tres Irmao, Mato Grosso, Pantanal, Brazil, South America

1112-6613 - Adult red ovenbird (Furnarius rufus), building a nest in a tree, Rio Pixaim, Mata Grosso, Pantanal, Brazil, South America

1112-6612 - Adult red ovenbird (Furnarius rufus), with nest on a Posada, Rio Pixaim, Mata Grosso, Pantanal, Brazil, South America

1112-6606 - Adult monk parakeets (Myiopsitta monachus), in a communal nest, Mata Grosso, Pantanal, Brazil, South America

1112-6608 - Adult red ovenbird (Furnarius rufus), building a nest in a tree, Rio Pixaim, Mata Grosso, Pantanal, Brazil, South America

1112-6610 - Adult jabiru stork (Jabiru mycteria), on a nest near Pouso Allegre, Mata Grosso, Pantanal, Brazil, South America

1112-6609 - Adult jabiru stork (Jabiru mycteria), on a nest near Pouso Allegre, Mata Grosso, Pantanal, Brazil, South America

746-90740 - Gathering of nesting material. Imperial Shag also called King Shag, blue-eyed Shag, blue-eyed Cormorant (Phalacrocorax atriceps or Leucarbo atriceps). South America, Falkland Islands, January

746-90785 - Egg being incubated by adult while balancing on feet. King Penguin (Aptenodytes patagonicus) on the Falkland Islands in the South Atlantic. South America, Falkland Islands, January

746-90738 - Gathering of nesting material. Imperial Shag also called King Shag, blue-eyed Shag, blue-eyed Cormorant (Phalacrocorax atriceps or Leucarbo atriceps). South America, Falkland Islands, January

746-90837 - Colony with chicks on tower shaped nest. Black-browed albatross or black-browed mollymawk (Thalassarche melanophris). South America, Falkland Islands, January

746-91064 - Southern Giant Petrel (Macronectes giganteus) on nest in Godthul on south Georgia. Antarctica, Subantarctica, South Georgia, October

746-90786 - Egg being incubated by adult while balancing on feet. King Penguin (Aptenodytes patagonicus) on the Falkland Islands in the South Atlantic. South America, Falkland Islands, January

746-90840 - Adult and chick on tower shaped nest. Black-browed albatross or black-browed mollymawk (Thalassarche melanophris). South America, Falkland Islands, January

746-90838 - Adult brooding on tower shaped nest. Black-browed albatross or black-browed mollymawk (Thalassarche melanophris). South America, Falkland Islands, January

746-90841 - Adult and chick on tower shaped nest. Black-browed albatross or black-browed mollymawk (Thalassarche melanophris). South America, Falkland Islands, January