Claudio Contreras,Claudio Contreras / Long-beaked Coralfish (Chelmon rostratus) eye, Inanuran Island, Danajon Bank, Central Visayas, Philippines, April

Eladio Fernandez / Humpback whale (Megaptera novaeangliae) mother and calf at the Silver Bank, Dominican Republic

Mike Read / Birch polypore bracket fungus (Piptoperus betulinus) on Silver birch tree (Betula pendula) Great Huntley Bank, New Forest National Park, Hampshire, England, UK, October.

Konrad Wothe / Red Fox (Vulpes vulpes) in winter on riverbank, Bavaria, Germany

Hiroya Minakuchi / Humpback Whale (Megaptera novaeangliae) mother and calf underwater in breeding ground, Silver Bank, Dominican Republic

Hiroya Minakuchi / Humpback Whale (Megaptera novaeangliae) mother and calf underwater in breeding ground, Silver Bank, Dominican Republic

Hiroya Minakuchi / Humpback Whale (Megaptera novaeangliae) mother and young calf in breeding grounds, Silver Bank, Dominican Republic

Tim Fitzharris / Red Fox (Vulpes vulpes) standing at the top of a snow bank, Montana

Tim Fitzharris / Red Fox (Vulpes vulpes) standing at the top of a snow bank, Montana

Tim Fitzharris / Red Fox (Vulpes vulpes) standing at the top of a snow bank, Montana

Hiroya Minakuchi / Humpback Whale (Megaptera novaeangliae) mother and young calf in breeding grounds, Silver Bank, Dominican Republic

Hiroya Minakuchi / Humpback Whale (Megaptera novaeangliae) mother and young calf in breeding grounds, Silver Bank, Dominican Republic

Etienne Littlefair / Barramundi (Lates calcarifer) hunting along a creek bank, Adelaide River region, Northern Territory, Australia.