Stefan Christmann / Moon bow, a halo around the moon during polar night. Sastrugi on sea ice in foreground. Atka Bay, Antarctica. June.

Tim Fitzharris / Crowfoot Mountains and Bow Lake, Icefields Parkway, Rocky Mountains, Alberta, Canada

Mark Taylor / Australian Shepherd pup, age 16 weeks, in play-bow stance.

Doug Perrine / Barjacks (Caranx ruber), Yellowtail snapper (Ocyurus chrysurus), and Sergeant major damselfish (Abudefduf saxatilis) swimming around wreck of bow gun on C-58 shipwreck off Puerto Morelos, near Cancun,...

Claudio Contreras / Boat on canal between chinampas, a wetland agricultural system. Xochimilco wetlands, Mexico City, September

Eric Baccega / Naro San Bushman hunting in the bush with traditional bow and arrow, Kalahari, Ghanzi region, Botswana, Africa. Dry season, October 2014.

Michael Pitts / Tracking shot over the bow of a sunken shipwreck, Maldives, Indian Ocean.

Mark Taylor / Car park flooded by River Wey, with cars almost completely submerged during Christmas 2013 flooding, Guildford. Surrey, England, UK. 25th December 2013.

Mark Taylor / Cute chocolate Toy Goldendoodle puppy in play-bow.

Neil Aldridge / A young Zu/'hoasi Bushman hunter carrying a bow, quiver of arrows and a long pole for catching Spring Hares in their burrows. Kalahari, Botswana. April 2012. No release available.

Mark Carwardine / Common dolphins bow riding {Delphinus delphis} Gibraltar

Mark Carwardine / Melon headed whale + calf bow riding {Peponocephala electra} Maldives