Christophe Courteau / Blue footed booby displaying {Sula nebouxii} Galapagos.

Ingo Arndt / Flock of Black skimmers (Rynchops nigra) on beach, New Jersey, USA

Shattil & Rozinski / Large flock of Red winged blackbirds (Agelaius phoeniceus) flying across road, Lower Rio Grande Valley, Texas, USA

Shattil & Rozinski / Wilson's phalarope (Phalaropus tricolor) flock flying, Blanca Wetlands, San Luis Valley, Colorado, USA

Anup Shah / Ostrich {Struthio camelus} on savanna at dawn, East Africa

TJ Rich / Lesser flamingo (Phoeniconaias minor) feeding, Lake Nakuru NP, Kenya

Jose B. Ruiz / Collared dove {Streptopelia decaocto} drinking from bird bath, Moralet, Alicante, Spain

Shattil & Rozinski / Peregrine falcon {Falco peregrinus} against skyline of Denver city, Colorado, USA

Solvin Zankl / Gentoo Penguin {Pygoscelis papua} on sandy beach, with ocean in background, Falkland Islands.

David Pike / Japanese cranes displaying {Grus japonensis} Tsurui Mura Japan

Mark Payne-Gill / Imprinted Whooper swans following their owners on Loch Lommond, Scotland, UK, during filming for BBC NHU 'Journey of Life'

Pete Oxford / Two Scarlet macaws {Ara macao} perched in rainforest, Madre de Dios, Amazonia, Peru