Adelie penguin (Pygoscelis adeliae), with chicks at breeding colony at Brown Bluff, Antarctic Peninsula, Antarctica, Polar Regions

Adult black-crowned night-heron (Nycticorax nycticorax falklandicus) on Carcass Island in the Falkland Islands, South America

Adult cape petrels (Daption capense) feeding near Deception Island, Antarctica, Southern Ocean, Polar Regions

Pair of Jackdaws, Corvus monedula, nesting in a turret in Parce-Sur-Sarthe, France

Three swallows perching, bird on the wire, in County Clare, West of Ireland

Great Spotted Woodpecker makes nesting hole in Poplar tree , Hampstead, London, United Kingdom

Great Spotted Woodpecker makes nesting hole in Poplar tree , Hampstead, London, United Kingdom

Black-browed Albatross (Thalassarche melanophrys) mating ritual in the Falkland Islands.

Adult Adelie Penguin (Pygoscelis adeliae) stealing rocks for a nest near the Antarctic Peninsula.