Lesser flamingos (Phoeniconaias minor), Amboseli National Park, Kenya, East Africa, Africa

Adult striated caracara (Phalcoboenus australis) on Carcass Island in the Falkland Islands, South Atlantic Ocean, South America

Golden Eye Drake Duck (Bucephala clangula) against dark trees flapping wings. Highlighted by late evening sunshine. Argyll, Scotland

capercaillie, tetrao urogallus male defending territory, deeside, scotland

Golden Eye Drake Duck (Bucephala clangula) against dark trees head on. Highlighted by late evening sunshine. Argyll, Scotland

Golden Eye Drake Duck (Bucephala clangula) against dark trees. Highlighted by late evening sunshine

Golden Eye Drake Duck (Bucephala clangula) against dark trees, face on head tilted to side. Highlighted by late evening sunshine. Argyll, Scotland

Adult Brown Pelican (Pelecanus occidentalis) in breeding plumage (note the very dark neck) fishing near Isla Los Islotes in the Gulf of California (Sea of Cortez), Mexico.

Adult Brown Pelican (Pelecanus occidentalis) head detail in breeding plumage (note the very dark neck) fishing near Isla Los Islotes in the Gulf of California (Sea of Cortez), Mexico.

Close Up Of Chilean Flamingo (Phoenicopterus Chilensis) Head And Wings, Parana, Brazil