King penguin chicks and bird watching tourists on Salisbury Plain, South Georgia Island, Antarctica

Accredited Search dogs used by handlers of the Search and Rescue Dog Association, United Kingdom, Europe

Highland cattle grazing off Kirkstone Pass in the Lake District, Cumbria, England, United Kingdom, Europe

Accredited Search dogs used by handlers of the Search and Rescue Dog Association, United Kingdom, Europe

A Greenland tour guide wearing a colourful jacket onboard a ship infront of the Eqi glacier, Greenland, Polar Regions

Cyclist, mountain biker with orange jacket, lava desert Krepputunga, highland track Austurleio, Asturleid, F 910, highlands, central Iceland, Iceland, Europe

Portrait of Bengal tiger (Panthera tigris tigris) lying beside waterhole, watching camera, Madhya Pradesh, India

Close-up portrait of a Bengal tiger (Panthera tigris tigris) standing in the forest looking up, Madhya Pradesh, India

Portrait of a Bengal tiger (Panthera tigris tigris) walking through grass in forest towards camera, Madhya Pradesh, India

Portrait of Bengal tiger (Panthera tigris tigris) walking down to a rocky waterhole, Madhya Pradesh, India

Close-up of a Bengal tiger (Panthera tigris tigris) lying in the forest, widely yawning, Madhya Pradesh, India

Alaska, Siberian Tiger (Panthera tigris altaica) charging through winter snow.

Alaska, Siberian Tiger (Panthera tigris altaica) stalking prey in deep winter snow.

Alaska, Siberian Tiger (Panthera tigris altaica) charging through winter snow.

Alaska, Siberian Tiger (Panthera tigris altaica) stalking prey in deep winter snow.

A woman standing at the end of a dock with an orange umbrella on a cloudy, grey day in Seattle, Seattle, Washington, USA

A woman standing at the end of a dock with an orange umbrella on a cloudy, grey day in Seattle, Seattle, Washington, USA

Two girls walking through snowy park

Young man on pier on Iceland