Paul Williams / View from plane of eroded salt dome, Kavir Desert, Iran, December.

LYNN M. STONE / Wolf's Gueonon Monkey (Cercopithecus pogonias wolfi) against a black background, captive from Congo, Rwanda and Uganda. Non-ex

Henley Spiers / Broadclub cuttlefish (Sepia latimanus) with a reflected swirl of colour, Gato Island, Cebu, Philippines, Pacific Ocean.

Mark Taylor / Forced Perspective photo of a giant in the saltflats of Salar de Uyuni, Bolivia.

Mark Taylor / Forced perspective photo of a young woman appearing to stand / balance on a dog's nose, UK.

Mark Taylor / Forced perspective photo of a horse appearing to stand on a dog's back, UK.

Maxime Aliaga / Forced perspective photo of a giantwoman in the saltflats of Salar de Uyuni, Bolivia.

Franco Banfi / Wild Alpine newt (Ichthyosaura alpestris) female Bedretto valley, River Ticino, Switzerland

Sandesh Kadur / Sambar (Rusa unicolor), Ranthambore National Park, Rajasthan, India. Antlers and ears of male visible behind female. Vulnerable species.

Sandesh Kadur / Diademed sifaka (Propithecus diadema), mother carrying her young on her back (legs of young are visible beneath mother's). Andasibe National Park, Madagascar. Critically Endangered species.

Mary McDonald / South African / Cape giraffe (Giraffa camelopardalis giraffa), two males necking / mock fighting, looking like a double headed animal, Zimanga Private Game Reserve, Zululand, South Africa.

Konrad Wothe / Ostrich (Struthio camelus) male preening, looking headless, Samburu Reserve, Kenya, Africa

Heather Angel / Emperor penguin (Aptenodytes forsteri) parent feeding chick, another chick next to it looks headless, Antarctica

Dr. Gertrud Neumann-Denzau / Two male Indian Wild Asses (Equus hemionus khur), looking like they share a single head, Little Rann of Kutch, Gujarat, SW India.

Fabrice Cahez / Common crane (Grus grus) in flight, looking like it has two sets of wings, France. Wings of second individual visible in the background

Eric Dragesco / Two Chamois (Rupicapra rupicapra) in snow, Gran Paradiso National Park, Italy.

Edwin Giesbers / Two Reindeer (Rangifer tarandus) in snow, looking like a single double-headed animal, Norway. Captive

Diane McAllister / Humpback whale (Megaptera novaeangliae) breaching in front of boat carrying tourists. Monterey Bay, California, USA.

David Welling / Collared peccaries (Tayassu tajacu) interacting, two looking like one, Hidalgo Lower Rio Grande Valley, Texas, USA. (non-ex)

David Allemand / Lappet-faced vultures (Torgos tracheliotu) looking like one double-headed bird, Etosha National Park, Namibia, Africa

Claudio Contreras / Blue footed booby (Sula nebouxii) watching chick, Isabel Island National Park, Sea of Cortez (Gulf of California) Mexico.