Jordi Chias / Bryde's whale (Balaenoptera edeni) and Common dolphins (Delphinus delphis) chasing small fish offshore. Santa Maria Island, Azores, Atlantic Ocean. Third Place in the Underwater Category of the Por El...

Ole Jorgen Liodden / Arctic tern (Sterna paridisea) mobbing, Arctic fox (Alopex lagopus) in Spitsbergen, Svalbard, Norway, July.

Ole Jorgen Liodden / Meadow pipit (Anthus pratensis) feeding young Eurasian cuckoo (Cuculus canorus), Valdres, Norway, July.

Bence Mate / Hooded crow (Corvus coronix) and Eurasian Magpie (Pica pica) waiting to scavenging White tailed eagle's (Haliaeetus albicilla) food, Pusztazer, Hungary.

Erlend Haarberg / Brambling (Fringilla montifringilla) and Chaffinch (Fringilla coelebs) fighting. Vauldalen, Sor-trondelag. Norway, May.

Chris & Monique Fallows / Blue Sharks (Prionace glauca) and Yellowfin tuna (Thunnus albacares) Cape Point, South Africa.

Anup Shah,Anup Shah / Male lion (Panthera leo) in confrontation with Cape buffalo (Syncerus caffer) Masai Mara National Reserve, Kenya

Anup Shah / Lion cub (Panthera leo), aged 7 months, bullying a younger cub aged 2-3 months. Masai Mara National Reserve, Kenya, September 2009

Anup Shah / Lion cub (Panthera leo) aged 7 months bullying younger cub aged 2-3 months. Masai Mara National Reserve, Kenya, September 2009

Guy Edwardes / Puffin (Fratercula arctica) with fish chased by Lesser black-backed gull (Larus fuscus) Isle of May, Firth of Forth, Fife, Scotland, UK, June

Michel Roggo / Striped mullet (Mugil cephalus) in Fanning Springs State Park, Florida, USA. March. Photographed for The Freshwater Project

Michel Roggo / Striped mullet (Mugil cephalus) at boundary of clear water of Fanning Springs and red water of the Suwannee River, Fanning Springs State Park, Florida, USA. March 2011. Photographed for The Freshwater...