Two white-headed buffalo-weaver (Dinemellia dinemelli), Serengeti National Park, Tanzania, East Africa, Africa

Traditional trolls on display in Tromso Gift and Souvenir Shop in Strandgata in Tromso, Norway

Melon headed whales (Electra dolphin) . Two melon headed whales socialising. Eastern Caribbean

Black Headed Gull (Larus ridibundas) and Herring Gull (Larus argentatus) juvenile taking off from pond with winter plumage . Maryhill Canal, Strathclyde, Scotland, UK

A pod of approximately 200 melon-headed whales (Peponocephala electra) encountered off the island of Brava, Cape Verde Islands, in the north Atlantic Ocean

A pod of approximately 200 melon-headed whales (Peponocephala electra) encountered off the island of Brava, Cape Verde Islands, in the north Atlantic Ocean

Black-Headed Gull (larus ridibundus) pair standing on ice on a frozen pond in Glasgow city centre front on view. Glasgow, Hyndland Park, Argyll, Scotland, UK

Melon headed whales (Electra dolphin) . Two melon headed whales socialising. Eastern Caribbean

A pod of approximately 200 melon-headed whales (Peponocephala electra) encountered off the island of Brava, Cape Verde Islands, in the north Atlantic Ocean

Black-Headed Gull (larus ridibundus) taking off from ice on a frozen pond in Glasgow city centre . Glasgow, Hyndland Park, Argyll, Scotland, UK

White-Headed Saki, (Pithecia pithecia), two adult females, social behaviour, South America

Japanese teenagers with blonde dyed hair, wearing the typical fashion taking photos in Maruyama Park, Kyoto, Japan, Asia

Two children running on the beach

Window display, fashion boutique, Theatinerstrasse, Munich, Bavaria, Germany, Europe

Imperial double-headed eagle with the Austrian flag on the roof of the National Library, Hofburg, Vienna, Austria, Europe

Two Bald Eagles (Haliaeetus Leucocephalus) Perched On Dead Tree Branches Looking Out, United States Of America

Sirkap shrine of two headed eagle ruined remains, Taxila, Punjab, Pakistan

Two Red headed weaver (Anaplectes rubriceps) in Kruger National park, South Africa

Male Grey-headed woodpecker and chick at nest, Finland

White headed duck (Oxyura leucocephala) male fighting in spring, Ciudad Real, Daimiel, Spain