David Perpinan / Male Lapwing (Vanellus vanellus) arriving at nest to incubate eggs, female leaves, Scottish Borders, Scotland, UK, June.

David Perpinan / Great rufous woodcreeper (Xiphocolaptes major) arriving at nest site in a dead palm tree, climbs down to nest, Pantanal, Mato Grosso do Sul, Brazil.

David Perpinan / Rhea (Rhea americana) incubating eggs, gets up and turns one over, Pantanal, Mato Grosso do Sul, Brazil.

David Perpinan / Oystercatcher (Haematopus ostralegus) incubating eggs on nest, alarm calling as a predator flies overhead, Scotland,UK, June.

Frederique Olivier / Adelie penguins (Pygoscelis adeliae) swimming underneath sea ice, Antarctica.

Kerstin Hinze / Slow motion clip of a male Black woodpecker (Dryocopus martius) drilling a hole in a tree, hunting for insects, Bavarian Forest National Park, Bavaria, Germany, February.

David Perpinan / Male Black grouse (Tetrao tetrix) at lek, Cairngorms, Scotland, UK, UK, April.

David Perpinan / Oystercatcher (Haematopus ostralegus) arriving at its nest in a roundabout, Scottish Borders, Scotland, UK, June.

David Perpinan / Male Lapwing (Vanellus vanellus) arriving at nest to incubate eggs, female leaves, Scottish Borders, Scotland, UK, June.

David Perpinan / Great rufous woodcreeper (Xiphocolaptes major) startled whilst incubating eggs, Pantanal, Mato Grosso do Sul, Brazil.

David Perpinan / Great rufous woodcreeper (Xiphocolaptes major) looking inside a dead palm tree for a nest site, Pantanal, Mato Grosso do Sul, Brazil.

David Perpinan / Southern lapwing (Vanellus chilensis) arriving at nest and incubating eggs, Pantanal, Mato Grosso do Sul, Brazil.