Ingo Arndt / Cape Gannet (Sula capensis) perched on a rock whilst calling, nesting colony, Lamberts Bay, South Africa.

Ingo Arndt / A large group of King Penguin (Aptenodytes patagonicus) moulting, St Andrews Bay, South Georgia Island, Southern Ocean, Antarctic Convergence.

Ingo Arndt / Ladybirds (Hippodamia convergens) gathering to mate, California, USA.

Ingo Arndt / Common starlings (Sturnus vulgaris) flock flying in formation to confuse hunting Peregrine Falcons (Falco peregrinus), Rome, Italy. January 2009

Ingo Arndt / Aerial view of crowd of people at the Rheinkultur Festival, Bochum, Germany.

Ingo Arndt / Large flock of Eastern / Great White Pelican (Pelecanus onocrotalus) preening, Lake Nakuru, Kenya

Ingo Arndt / Large flock of Snow Geese (Chen caerulescens) flying, Bosque del Apache National Wildlife Refuge, New Mexico, USA

Ingo Arndt / Black skimmer (Rynchops nigra) large flock flying, New Jersey, USA

Inaki Relanzon / Gentoo penguins (Pygoscelis papua) on the beach at sunset, Sea Lion Island, Falkland Islands.

Jack Dykinga / Snow geese (Chen caerulescens) large flock with some landing, Bosque del Apache, New Mexico, USA, December.

Jack Dykinga / Sandhill cranes (Grus canadensis) and Snow geese (Chen caerulescens) Bosque del Apache National Wildlife Refuge, New Mexico, USA, December.

Alex Mustard / Brandt's cormorant (Phalacrocorax penicillatus) hunts for a meal in a school of Pacific chub mackerel (Scomber japonicus) beneath an oil rig. Eureka Rig, Los Angeles, California, USA, September