Espen Bergersen / Aerial shot of Killer whale (Orcinus orca) hunting Atlantic herring (Clupea harengus) using carousel feeding, with herring jumping out of the water and gulls (Larus) circling above, Tromvik, Troms, No...

Dave Bevan / Pair of Sand martins (Riparia riparia) feeding chicks, Carmarthenshire, Wales, UK, July.

Jeff Foott / Jaguar (Panthera onca) walking along river bank, Cuiaba River, Pantanal Matogrossense National Park, Pantanal, Brazil.

Jeff Foott / Jaguar (Panthera onca) on river bank, Cuiaba River, Pantanal Matogrossense National Park, Pantanal, Brazil.

Dave Bevan / Bank vole (Myodes glareolus) feeding from a bird feeder anlongside a Coal tit (Periparus ater) and Blue tit (Cyanistes caeruleus), Carmarthenshire, Wales, UK, September.

Ingo Arndt / Two European river otters {Luyra lutra} resting a on grass bank. Captive

Espen Bergersen / Aerial photo of a school of Atlantic herring (Clupea harengus) in shallow waters with both Humpback whales (Megaptera novaenliae) and Killer whales (Orcinus orca) feeding, coast of Kvaloya, Norway Jan...

Laurent Geslin / European beaver (Castor fiber) at river bank in urban environment at night, Grenoble, France, August.

Tony Wu / Killer whale / Orca (Orcinus orca) large adult male stalking a large school of Herring (Clupea harengus) in shallow water, Norway, February

Danny Green / Atlantic Puffin (Fratercula arctica) flock resting on a snow bank, Hornya, Varanger, Norway, April

Jeff Rotman / Fishermen sorting Haddock (Melanogrammus aeglefinus), Pollock (Pollachius) and Dogfish (Squalidae) from net, Georges Bank off Massachusetts, New England, USA, May 2015. Model released.

Jeff Rotman / Dragger net full of Haddock (Melanogrammus aeglefinus), and Dogfish (Squalidae) pulled up into boat, Georges Bank, Massachusetts, New England, USA, May 2015.