Green iguana (iguana iguana) in profile with raised head against blue sky, Orient Beach, St. Martin (St. Maarten), West Indies, Caribbean, Central America

Young male lion (Panthera leo) in early light, Masai Mara National Reserve, Kenya, East Africa, Africa

Sperm whale. (Physeter macrocephalus). The tail of a sperm whale raised high for a deep dive. Caribbean.

Blue whale (Balaenoptera musculus). The tail of a blue whale raised way out of the water before diving deep. The typical skin colouring is also visible. Gulf of California.

Blue whale (Balaenoptera musculus) Gulf of California. The raised tail of a blue whale.

Blue whale (Balaenoptera musculus) Gulf of California.The raised tail of a blue whale as it dives.

Blue whale (Balaenoptera musculus). The huge tail of a blue whale raised high before a deep dive. Gulf of California.

Warthog (Phacochoerus aethiopicus) after a mud bath, running with tail raised, Moremi Wildlife Reserve, Ngamiland, Botswana, Africa

Humpback Whale (Megaptera novaeangliae), diving and showing his fluke, Alaska, America