Steve Knell / Barn swallow {Hirundo rustica} collecting mud for nest material, England, UK
01059008
Pete Oxford / Blue footed booby (Sula nebouxii) on nest. Cristabel Island, Galapagos
01058601
Tom Vezo / Lapland bunting (Calcarius lapponicus) female. Nome, Alaska, USA
01004639
Chris Packham / Nightjar (Caprimulgus europaeus) at nest. England, UK, Europe
01019471
David Kjaer / Lapwing sitting on nest. Norfolk, UK
01105249
Tony Heald / Crowned plover sitting at nest {Vanellus coronatus} Estosha NP, Namibia
01091125
WILLIAM OSBORN / Brush turkey male building nest mound {Alectura lathami} SE Queensland, Australia. Male tests temperature of mound with beak and controls temperature by adding and removing soil
01091122
WILLIAM OSBORN / Brush turkey male on nest mound {Alectura lathami} SE Queensland, Australia. Male regulates temperature of nest by adding and removing soil.
01059014
Pete Oxford / Giant petrel on nest (Macronectes giganteus). South Georgia Island
01057235
Paul Johnson / Oystercatcher with chick at nest. Norfolk, England, UK, Europe
01388424
Paul D Stewart / Massed egg shell debris from a nesting ground of the extinct giant Madagascan Elephant bird (Aepyornis maximus). The fragments were photographed undisturbed in situ among the dunes of Cap Sainte Marie...
01388423
Paul D Stewart / Massed egg shell debris from a nesting ground of the extinct giant Madagascan Elephant bird (Aepyornis maximus). The fragments were photographed undisturbed in situ among the dunes of Cap Sainte Marie...
08124882
Onne van der Wal / The wrecked coaling ship "Bayard" lying in Ocean Harbour, South Georgia. ^^^She was blown from her mooring during a severe gale in 1911 and is now a nesting ground for cormorants and petrels.
08124987
Onne van der Wal / The wrecked coaling ship "Bayard" lying in Ocean Harbour, South Georgia. ^^^She was blown from her mooring during a severe gale in 1911 and is now a nesting ground for cormorants and petrels.
08125004
Onne van der Wal / The wrecked coaling ship "Bayard" lying in Ocean Harbour, South Georgia. ^^^She was blown from her mooring during a severe gale in 1911 and is now a nesting ground for cormorants and petrels.
08125006
Onne van der Wal / The wrecked coaling ship "Bayard" lying in Ocean Harbour, South Georgia. ^^^She was blown from her mooring during a severe gale in 1911 and is now a nesting ground for cormorants and petrels.
00477857
Kevin Schafer/ AITo / Maleo (Macrocephalon maleo) calling on nesting ground, Sulawesi, Indonesia
01177819
Nature Production / Short-eared Owl {Asio flammeus} nesting on ground, Aichi, Japan
00282806
Flip de Nooyer / Antarctic Giant Petrel (Macronectes giganteus) incubating eggs on ground nest, Antarctica
00590015
Patricio Robles Gil / Common Eider (Somateria mollissima) female incubating eggs on nest on the ground, Spitsbergen, Svalbard, Norway
00511389
Michael & Patricia Fogden / Burrowing Owl (Athene cunicularia) five adults and young at nesting burrow, Chihuahuan Desert, Mexico
21089127
Jean E. Roche / Avocet at nest on beach {Recurvirostra avosetta} Camargue France
21096094
Jose B. Ruiz / Food stock pile and leftovers of Wood mouse {Apodemus sylvaticus} Europe