Gentoo penguin lying down in sleet, Antarctica, Polar Regions

Whooper swan (Cygnus cygnus) flying down on to the water, Welney Wildfowl and Wetlands Trust Reserve, Norfolk, England, United Kingdom, Europe

Blue-footed Booby juvenile birds on the Galapagos Islands, Ecuador

Mute swan dabbling on the River Windrush in Oxfordshire, England

Blue-footed Booby bird on the Galapagos Islands, Ecuador sheltering young birds

Mute swan on the River Windrush in Oxfordshire, England

Northern fulmar (Fulmarus glacialis glacialis) on the wing in the Svalbard Archipelago, Norway

When the shed skin nears the tail, the newly formed chrysalis begins to shake very vigorously until the skin falls to the ground, then it settles down to form the butterfly within. The shape of the wings, anttenae and eyes can already be clearly seen. The process completes in seven to ten days. . Isle of White, UK. Isle of White, UK

When the shed skin nears the tail, the newly formed chrysalis begins to shake very vigorously until the skin falls to the ground, then it settles down to form the butterfly within. The shape of the wings, anttenae and eyes can already be clearly seen. The process completes in seven to ten days. . Isle of White, UK. Isle of White, UK

Northern fulmar (Fulmarus glacialis glacialis) on the wing in the Svalbard Archipelago, Norway

Northern fulmar (Fulmarus glacialis glacialis) on the wing in the Svalbard Archipelago, Norway

Grey Heron (Ardea cinerea) perched in a tree looking stretching wings and neck looking down. Herons occasionaly roost or perch in trees. This one was perched while having a preen and stayed there for atleast 3 hours.. Argyll, Scotland

Northern fulmar (Fulmarus glacialis glacialis) on the wing in the Svalbard Archipelago, Norway

Black-browed albatross (Thalassarche melanophrys) coming in for a landing (with feet out to slow down) at Devil's Nose on New Island in the Falkland Island Group, Falklands.

Remains of propeller and engine from wing of Blenheim Bomber , shot down during WWII, Malta, Maltese Islands, Mediterranean

Graffiti on a house, St. Pauli district, Hamburg, Germany, Europe

Graffiti on a house, St. Pauli district, Hamburg, Germany, Europe

Relief with winged dogs, Domus Augustana, Palatine Hill, Rome, Lazio, Italy, Europe

Owl looking down while in flight, Alaska, United States of America

Close-up of a Lilac-breasted roller (Coracias caudatus) with catchlight flying over the savannah, Serengeti National Park, Tanzania, Africa

Lesser flamingo (Phoeniconaias minor) flying above sand dunes near Walvis Bay, Namibia

Close-up of a Lilac-breasted roller (Coracias caudatus) with catchlight and tucked wing feathers flies from bushes, Serengeti National Park, Tanzania, Africa

A Young Girl Being Buried In The Sand On The Beach, Peachland, British Columbia, Canada

An African fish eagle, Haliaeetus vocifer, flies down towards water, talons out about to catch a fish, wings spread, looking away, Londolozi Game Reserve, Sabi Sands, Greater Kruger National Park, South Africa

A village weaver bird, Ploceus cucullatus, hangs upside down on its nest, wings spread, Londolozi Game Reserve, Sabi Sands, South Africa

A flock of white-fronted bee-eaters, Merops bullockoides, lie on sand while one flies down, wings up and tail spread, Londolozi Game Reserve, Sabi Sands, Greater Kruger National Park, South Africa