Dry cracked and parched Kafue River flats - Zambia

A desert tortoise, found only in the Mojave and Sonoran deserts of South West American and Northern Mexico

A desert tortoise, found only in the Mojave and Sonoran deserts of South West American and Northern Mexico

A desert tortoise, found only in the Mojave and Sonoran deserts of South West American and Northern Mexico

A desert tortoise, found only in the Mojave and Sonoran deserts of South West American and Northern Mexico

A desert tortoise, found only in the Mojave and Sonoran deserts of South West American and Northern Mexico

A Western (or Californian) scrub-jay perched in a dry bush - California, USA

A desert tortoise, found only in the Mojave and Sonoran deserts of South West American and Northern Mexico

Aerial view of camels being herded by the Rendille tribe - Northern Kenya

Aerial view of group of camels walking across the desert - Africa

Aerial view of group of camels walking across the desert - Africa

Aerial view of group of camels walking across the desert - Africa

Wardens walking through a colony of Northern gannet

ID tags for gannet monitoring

Eurasian spoonbill sleeping

Blue tit bathing

White wagtail perching on tree

Detail of pheasant feathers

Iberian lynx resting on a rock in the early morning shade

A veterinary assistant with Iberian lynx blood samples

The rolling hills of the Sierra de Andujar, Spain

Close up of a cinereous vulture

Jellyfish in a lake

Red gorgonian sea fan