Bence Mate / Leaf cutter ant (Atta sp) female worker carrying leaf to nest, with a smaller 'minor' ant riding. The minor's job is to protect her sister from parasitic flies. Costa Rica, December. Highly Commended,...

Kim Taylor / Bachacs / Leafcutter ants {Atta cephalotes} carrying sections of Cocoa leaf bearing 'riders' thought to ward off parasitic flies which would otherwise lay their eggs on the pieces of leaf. Trinidad, W...

Andy Rouse / Black headed bunting, (Emberiza melanocephala), catching flies on sunflower crop, Bulgaria, June.

David Perpinan / Oystercatcher (Haematopus ostralegus) incubating eggs on nest, alarm calling as a predator flies overhead, Scotland,UK, June.

Steve Downer / Wood pigeon (Columba palumbus) feeding in a garden, flies to fence and then out of frame, Birmingham, England, UK, March.

John Waters / Timelapse of flies and a slug on a Common stinkhorn fungus (Phallus impudicus), Mendips, Somerset, UK, July.

John Waters / Timelapse of flies feeding on the tip of a Common stinkhorn fungus (Phallus impudicus), Mendips, Somerset, UK, July.

Ammonite / Male Yellow dung flies (Scathophaga stercoraria) fighting over a female on a cowpat, UK.

Ammonite / Male Yellow dung flies (Scathophaga stercoraria) fighting over a female on a cowpat, UK.

Ingo Arndt / Bluebottle Fly (Calliphora erythrocephala) hatching from coccoon, Germany.

Ingo Arndt / Mosquito (Culicidae) freshly hatched sitting on water surface with reflection, Germany.

Ingo Arndt / Mosquito (Culicidae) egg faft floating on surface of water, Germany