Magnus Lundgren / Wild Wonders of China / Central Yunnan black crested gibbon (Nomascus concolor jingdongensis), mother and baby hanging in canopy. Wuliangshan Nature Reserve, Jingdong, Yunnan Province, China.

Chien Lee / Minden / Black-headed Cat Snake (Boiga nigriceps) swallowing alive Harlequin Flying Tree Frog (Rhacophorus pardalis) prey, Kubah National Park, Sarawak, Malaysia, sequence 1 of 4

Guy Edwardes / Red-billed oxpecker (Buphagus erythrorhynchus) feeding on Impala (Aepyceros melampus), Savuti, Botswana.

Chien Lee / Orchid Bee (Euglossa sp) sleeping by biting leaf, Utria National Park, Colombia

David Pattyn / Black and white ruffed lemur (Varecia variegata variegata) hanging from branch, Vakona island, Andasibe area, Madagascar. Captive.

Ingo Arndt / Baya weaver (Ploceus philippinus) subadult birds practising building 'play nest', Singapore.

Ingo Arndt / Tisza mayfly (Palingania longicauda) hanging on branch and moulting, River Tisza, Hungary, June

Ingo Arndt / Mayfly (Palingenia longicauda) hanging on leaf and moulting, Tisza river, Hungary, sequence 5/7, June

Ingo Arndt / Mayfly (Palingenia longicauda) hanging on leaf and moulting, Tisza river, Hungary, sequence 6/7, June

Ingo Arndt / Mayfly (Palingenia longicauda) hanging on leaf and moulting, Tisza river, Hungary, sequence 3/7, June

Ingo Arndt / Monarch butterfly (Danaus plexippus) hanging from a blade of grass, silhouetted against the full moon, East coast USA.

Ingo Arndt / Four spot orbweaver spider hanging from thread {Araneus quadratus} Germany