Eric Baccega / Grizzly bear (Ursus arctos horribilis) catching salmon in Brooks river, Katmai National Park, Alaska, USA, July

Igor Shpilenok / Young female Kamchatka brown bear (Ursus arctos beringianus) playing with oil drum, Kronotsky Nature Reserve, Kamchatka, Far East Russia. May. These bears can develop addiction to sniffing the aviatio...

Pete Oxford / Woman with basket on her head picking tea (Camellia sinensis), Assam, North East India, October 2014.

Ole Jorgen Liodden / Woodpecker finch (Camarhynchus pallidus) using stick as a tool for foraging, Galapagos. Endemic.

Ole Jorgen Liodden / Campbell albatross (Thalassarche impavida) in flight, silhouetted at sunset, near Campbell Islands, Sub-Antarctic New Zealand. February.

Simon Colmer / Dung beetle (Scarabaeidae) rolling dung, Malawi. November.

Richard Robinson / William Trubridge diving - a world champion free diver who is campaigning to protect the Critically Endangered Maui's dolphin (Cephalorhynchus hectori maui) endemic to New Zealand. January 2008. Edi...

Ben Cranke / Black-striped capuchin (Sapajus libidinosus) using rock as a tool to break open palm nut, Parnaiba Headwaters National Park, Piaui, Brazil. August.

Ben Cranke / Black-striped capuchin (Sapajus libidinosus) using rock as a tool to break open palm nut Parnaiba Headwaters National Park, Piaui, Brazil. July.

Bence Mate / Great egret (Ardea alba) feeding on fish, Pusztaszer, Hungary, June.

Bence Mate / Grey heron (Ardea cinerea) catching fish, taken with remote camera, Pusztaszer, Hungary, June.

Jean E. Roche / Man leaping over bull in European Bullfighting Championship 2012, Arenes d'Arles, Camargue, France, September 2012.

Visuals Unlimited / Broad billed Motmot (Electron platyrhynchum) Costa Rica

David Tipling / Broad-billed Motmot (Electron platyrhynchum) Tambopata, Peru

Tui De Roy / Blue crowned / highland motmot (Momotus momota) San Isidro, Eastern Slope Tropical Andes, Andean Cloud Forest, East slope, Ecuador

Kim Taylor / Blue-crowned motmot (Momotus momota) perched on branch with caterpillar, Costa Rica

Patricio Robles Gil / Turquoise browed motmot {Eumomota superciliosa} perched with grasshopper prey, Yucatan peninsular, Mexico

Patricio Robles Gil / Turquoise browed motmot {Eumomota superciliosa} perched, Yucatan peninsular, Mexico

Rolf Nussbaumer / Blue-crowned motmot {Momotus momota} Central Valley, Costa Rica

Rolf Nussbaumer / Blue-crowned motmot {Momotus momota} adult feeding on berry, Central Valley, Costa Rica

DAVID TIPLING / Rufous Motmot {Barypthengus martii semirufus} perching on branch, Canopy Lodge, El Valle, Panama.

DAVID TIPLING / Rufous Motmot {Barypthengus martii semirufus} perching on branch, Canopy Lodge, El Valle, Panama.

DAVID TIPLING / Broad billed motmot {Electron platyrhynchum} Metro Park, Panama City, Panama.

Luiz Claudio Marigo / Blue crowned motmot {Momotus momota} Trinidad

Pete Oxford / Blue-crowned motmot {Momotus momota} Machalilla NP. Ecuador

Pete Oxford / Blue-crowned motmot {Momotus momota} Machalilla NP. Ecuador

Tom Vezo / Blue crowned motmot {Momotus momota} Costa Rica

Tom Vezo / Blue crowned motmot {Momotus momota} Costa Rica

Michele Westmorland / Blue crowned mot-mot (Momotus momota) perched on branch, Argyle Falls Forest, Tobago, Caribbean.

Robin Chittenden / Broad-billed motmot (Electron platyrhynchum) perched on stem, Costa Rica, March

Tom Vezo / Blue crowned motmot {Momotus momota} perched, Costa Rica