Juan Carlos Munoz / Bearded Vultures (Gypaetus barbatus) juvenile (left) and adult fighting in flight. Simien National Park, Ethiopia, Africa.

Juan Carlos Munoz / Bearded vulture (Gypaetus barbatus) chasing Thick-billed Raven (Corvus crassirostris) in flight. Simien National Park, Ethiopia, Africa.

Mary McDonald / Somali ostrich (Struthio camelus) peering beneath itself, Samburu Game Reserve, Kenya, East Africa

Loic Poidevin / Man walking over colourful mineral deposits at the Dallol hydrothermal site on the Karoum salt lake, Danakil depression, northern Ethiopia, February 2009

Loic Poidevin / Truck / van crossing Karoum salt lake in the Danakil depression, northern Ethiopia, February 2002

Inaki Relanzon / Hawksbill turtle (Eretmochelys imbricata) in shallow water. Nosy Be, north Madagascar, Africa.

Alex Hyde / Tanzanian Giant Millipede {Archispirostreptus gigas} Captive, originating from Africa.

Mary McDonald / Flock of Gray-headed Gulls (Chroicocephalus cirrocephalus) flying over Lake Nakuru, Kenya, East Africa

Juan Carlos Munoz / Aerial view of Lake Natron, Rift Valley, Tanzania, Africa, August 2009

Juan Carlos Munoz / Aerial view of flock of Lesser Flamingos (Phoeniconaias minor) flying low over Lake Magadi, Rift Valley, Kenya, Africa, August 2009

Guy Edwardes / Grey-breasted Spurfowl (Pternistis rufopictus) calling, Serengeti National Park, Tanzania, Africa February

Guy Edwardes / Superb Starling (Lamprotornis superbus) with wing raised as a threat to nearby rival. Serengeti National Park, Tanzania, Africa, February

Philip Dalton / Waterspout over Lake Victoria, Uganda

Philip Dalton / Waterspout over Lake Victoria, Uganda

Edwin Giesbers / Eastern green mamba {Dendroaspis angusticeps} strike pose, captive, from East Africa

Edwin Giesbers / Eastern green mamba {Dendroaspis angusticeps} head portrait, captive, from East Africa

Edwin Giesbers / Wildebeest (Connochaetes taurinus) herd, Tanzania

Anup Shah / Nasera Rock with Zebras and Wildebeest moving into Anata kiti, Serengeti NP, Tanzania

Jack Dykinga / Ray of light falling on a lone Acacia tree in the Masai Mara, Kenya

Jack Dykinga / Rays of light illuminating the sky as the sun sets behind an Acacia tree, Masai Mara, Kenya

Jack Dykinga / Sun setting behind an Acacia tree with vultures roosting in its canopy. Masai Mara, Kenya

Anup Shah / Aerial view of Lake Eyasi and The Great Rift Valley Escarpment, Tanzania

Anup Shah / Storm cloud and rainbow over Wildebeest on Masai Mara GR, Kenya

Anup Shah / Savanna grassland fire showing fire stopping at track which acts as fire break but has been crossed in places, Kenya, East Africa

Anup Shah / Aerial view of bush fire in woodland savanna during dry season, Katavi National Park, Tanzania

Anup Shah / Lake Edward, Queen Elizabeth National Park, Uganda

Owen Newman / Soda crust on Lake Natron, Tanzania, coloured red by alkali cyanobacteria, breeding site of endangered Lesser Flamingo

Richard Du Toit / Aerial view of Turkana Dromedary camels {Camelus dromedarius} crossing desert in evening sun with long shadows, Lake Logipi, Kenya

Jabruson / Bullfrog eating mouse {Pyxicepalus flavigula} Tsavo East NP, Kenya

Anup Shah / Hadzabe hunter gatherer tribesmen sitting round camp fire for evening storytelling, Lake Eyasi Basin, Tanzania 2006

Anup Shah / Aerial view of the Sugata river, Sugata valley in the Great Rift Valley, Northern Kenya

Anup Shah / Aerial view of Mabuyatom volcano, Lake Turkana, Great Rift Valley, Northern Kenya

Anup Shah / Flamingos on shores of Lake Logipi, Great Rift Valley, Northern Kenya

Anup Shah / Aerial view inside crater of Mt Longohot, Mount Longonot NP, Kenya

Anup Shah / Aerial view of irrigation circle for growing vegetable crops and cultivated flowers, Naivasha, Kenya

Anup Shah / Aerial view of gorge, Hell's Gate NP, Great Rift Valley, Kenya

Anup Shah / Sun setting over Serengeti NP with Acacia tree, Tanzania

Anup Shah / Wildebeest (Connochaetes taurinus) feeding on plains of Serengeti NP wiht big sky, Tanzania

John Downer Productions / Bush fire, Maasai Mara, Kenya, East Africa

Anup Shah / Aerial view of Ol Doinyo Lengai (The Mountain of God) Volcano, Rift Valley, Tanzania. Note- light gray flows known as 'squeeze-ups' from the highly fluid lava, still active.

Anup Shah / Aerial view of village huts in Crater Highlands, Ngorongoro conservation area, Tanzania.

Anup Shah / Snow-capped Mount Kilimanjaro with Agave growing in foreground, Amboseli National Park, Kenya.

Anup Shah / Vulture landing on tree silhouetted at sunrise, Masai Mara reserve, Kenya

Anup Shah / Aerial view of Ol Doinyo Lengai Crater (The Mountain of God) Rift Valley, Tanzania. Note- small cones on crater floor formed by previous eruptions of lava, still active.

Anup Shah / Hell's Gorge, Oldrgesaille, Olduvai, Serengeti National Park, Rift Valley, Tanzania.

Anup Shah / Snow-capped Mount Kilimanjaro with native tribesman and Agave in foreground, Amboseli National Park, Kenya.

Anup Shah / Hadzabe bushmen holding poison arrows with hunted ground squirrels, Lake Eyasi, Tanzania.

Anup Shah / Aerial view of village huts and livestock enclosures, in Crater Highlands, Ngorongoro conservation area, Tanzania.

Anup Shah / Aerial view of Crater Highlands, Ngorongoro conservation area, Tanzania.

Elio Della Ferrera / Child sucks on Juncus stem to quench thirst. Dinsho village, Bale Mountains National Park, Ethiopia

Elio Della Ferrera / Grassland and River in Bale Mountains National Park, Ethiopia

Charlie Hamilton James / Vets vaccinate Domestic dogs against rabies. Ethiopia.

Elio Della Ferrera / Garba Guracha lake, Bale Mountains National Park, Ethiopia

Peter Blackwell / Leopard tortoise portrait {Geochelone pardalis} Amboseli NP, Kenya, East Africa

ANDREW MURRAY / Mountain people. Simiens mountains, Ethiopia.

Elio Della Ferrera / Chestnut naped francolin {Pternistis castaneicollis} Ethiopian highlands, Ethiopia

Julia Bayne / Priest's colourful umbrellas at Gondor Timket festival, Ethiopia

ANDREW MURRAY / Musicians in Tej (honey wine) bar Debark, Ethiopia, Africa

Charlie Hamilton James / Vets vaccinate Domestic dogs against rabies. Ethiopia.

Julia Bayne / Royal Enclosure, Gonder, Ethiopia

Julia Bayne / St. Mary of Zion Church Compound, Axum, Ethiopia

Natasha Breed / Giant lobelia growing in Simien Mountains National Park, Ethiopia

Julia Bayne / Dek Monastery Manuscript, Lake Tana, Ethiopia

Staffan Widstrand / Toursit guide looking up into rainforest canopy with binoculars, Bwindi forest,

Anup Shah / Flamingo community seen from the air, Lake Bogata, Kenya, Africa.

Jabruson / Children helping parents to collect charcoal, Kinigi, Parc des Volcans NP, Rwanda

Jabruson / Rwandan children laughing, Kinigi, Parc des Volcans NP, Rwanda

Jabruson / Rwandan children, Kinigi, Parc des Volcans NP, Rwanda

Jabruson / Ranger with spiked bamboo Buffalo snares confiscated from Ruherngeri, Parc des Volcans NP, Rwanda

Jabruson / Child with drawing of Mountain gorilla, Parc des Volcans NP, Rwanda. encourages involvement in wildlife conservation

Jabruson / Deforestation of national park for subsistence agriculture, Parc des Volcans National Park, Rwanda

Jabruson / Human skulls of Tutsi victims, genocide memorial, Ntarama church, Nyamata, Rwanda

Jabruson / Crowd of people with lady carrying bananas on head, Rugarama, Ruhengeri, Rwanda

Jabruson / Maasai 'Emowuo-o-lkiteng ceremony, Kedong Valley, Rift valley, Kenya. Il-murran dancers. 1985

Martin Dohrn / Maasai herdsman with his cattle. Serengeti NP, Ngorongoro Conservation Area, Tanzania, East Africa. Image taken using 'Starlight Camera' technology without artificial lighting.

Jabruson / Planks of hardwood trees taken from Bwindi National Park, Uganda

Peter Blackwell / Mount Kilimanjaro in cloud, Amboseli National Park, Kenya, East Africa

Marguerite Smits Van Oyen / Lac Assal, crystallised salt on shoreline, 150m below sea level. Djibouti, East Africa sea water

Anup Shah / Wildebeest herds on the Serengeti, Tanzania

Anup Shah / Rainstorm approaching on Masai Mara, Kenya - Clouds, dramatic sky, rain storm, trees

Anup Shah / Savanna with Acacia trees, and line of trees marking seasonal water course. Masai Mara, Kenya East-Africa. End of dry season

Elio Della Ferrera / Garba Guracha lake, Bale Mtns NP, Ethiopia, with endemic Giant lobelia plants {Lobelia rhynchopetalum}

Staffan Widstrand / Mount Kilimanjaro above the clouds, with zebra in foreground. Amboseli NP, Kenya.

Jabruson / Hot air balloon over Taita Hills Game Lodge, Kenya

Jabruson / Sand storm predeeding first rains in Tsavo East NP, Kenya.

Martin Dohrn / The Southern Cross star constellation shining above Ballenites trees in Masai Mara, Kenya. Starlight image intensifier camera image taken with no artificial light.

Anup Shah / Hot air safari balloon above Wildebeest herd {Connochaetes taurinus} Masai Mara NR Kenya, animals on annual migration

Martin Dohrn / Moonlit night-time landscape of kopje Serengeti NP, Ngorongoro Conservation Area, Tanzania, East Africa. Image taken using 'Starlight Camera' technology without artificial lighting.

Martin Dohrn / Night-time in the Serengeti NP, Ngorongoro Conservation Area, Tanzania, East Africa. Image taken using 'Starlight Camera' technology with no artificial lighting.

Bernard Castelein / Cloud-specked blue sky over the Barafu Kopjes, Tanzania, East Africa