Mark Bowler / Black spider monkey (Ateles chamek) calling, captive, Peru.

Erlend Haarberg / Arctic fox (Alopex lagopus) adult barking on rocks, Dovrefjell-Sunndalsfjella National Park, Norway, July.

Sam Hobson / Peregrine falcon (Falco peregrinus), adult male landing on building. Bristol, UK. March.

David Pattyn / Red necked grebe (Podiceps grisegena) approaching a competitor in an attempt to drive him away during the courting season, Danube area, Bulgaria, April

Christophe Courteau / Rusty barrels at the historical site of Virgohamna where, in 1897, the hydrogen balloon 'Omen' (the Eagle) sailed northward in a failed attempt to reach the north pole with 3 Swedish ballooners led by...

Andrew Parkinson / Great skua (Stercorarius skua) attacking a sheep, in an attempt to prevent it wandering too close to its vulnerable chick. Shetland Islands, Scotland, UK, June (non-ex)

Anup Shah / African lions (Panthera leo) climbing fallen tree in attempt to escape from herd of Cape Buffalo (Syncerus caffer) Masai Mara National Reserve, Kenya. March.

Inaki Relanzon / Madagascar fish-eagle (Haliaeetus vociferoides), taking off from water after failed attempt to catch fish, Ravilobe Lake, Ankarafantsika National Park, Madagascar.

Katherine Feng / Giant Panda (Ailuropoda melanoleuca) sixteen cubs escape photo attempt, Wolong Nature Reserve, China, sequence 2 of 3

Jabruson / Grass fire started by poachers in the dry season, in attempt to drive wildlife out for them to hunt, Rwindi plains, Virunga NP, Democratic Republic of Congo (formerly Zaire)

Andrew Parkinson / Grey seal female (left) rejects male's attempt to mate (Halichoerus grypus) Lincolnshire, UK

Doug Gimesy / Volunteer bat rescuer Tracy Cleaves, spraying water t to cool down some Grey-headed Flying-foxes (Pteropus poliocephalus) that have descended from the safety of higher branches, in an attempt to escap...