Andy Rouse / African lion (Panthera leo) outline breathing at dawn, Kenya

Wild Wonders of Europe / Möllers / Common / Great cormorant (Phalacrocorax carbo sinensis) backlit with breath showing in cold air, evening light, Oosterdijk, Enkhuizen, Ijsselmeer, Netherlands, March 2009

Jorma Luhta / Common cranes {Grus grus} pair displaying, Northern Finland, September

Hiroya Minakuchi / Blue Whale (Balaenoptera musculus) surfacing to breath, largest animal on earth, Sea Cortez, Baja California, Mexico

Doug Perrine / Sperm whale mother and calf {Physester macrocephalus} North Atlantic, NB peeling skin from rubbing against other whales. Sperm whales can dive to a depth of 3,000m and hold their breath for 2 hours! H...

Espen Bergersen / Killer whale / orca (Orcinus orca) spyhopping. Troms, Norway. November.

Sergio Hanquet / People learning to freedive in Atlantic Ocean. Tenerife, Canary Islands. 2015.

Shane Gross / Green sea turtle (Chelonia mydas) swimming to take a breath, reflected in water surface. Eleuthera, Bahamas.

Andy Rouse / Mute swan (Cygnus olor) stretching wings on water. In morning light, Wales, UK. February.

Andy Rouse / Mute swan (Cygnus olor) stretching wings on water. In morning light, Wales, UK. February.

Heather Angel / Sweet breath of spring (Lonicera fragrantissima) in garden, Surrey, England, UK. Native to China.

Oscar Dewhurst / Red deer (Cervus elaphus) stag in misty conditions bellowing whilst sat down in long grass with the rising sun in the background. Richmond Park, London, UK. September