Frederique Olivier / Kirk's dik-dik (Madoqua kirkii) grazing and looking up, Serengeti NP, Tanzania.

Frederique Olivier / Kirk's dik-dik (Madoqua kirkii) grazing and looking up, Serengeti NP, Tanzania.

Frederique Olivier / Kirk's dik-dik (Madoqua kirkii) grazing in a thicket, Serengeti NP, Tanzania.

Frederique Olivier / Kirk's dik-dik (Madoqua kirkii) grazing in a thicket, Serengeti NP, Tanzania.

Frederique Olivier / Kirk's dik-dik (Madoqua kirkii) alert and looking around, stamping, Serengeti NP, Tanzania.

Frederique Olivier / Kirk's dik-dik (Madoqua kirkii) marking its territory, with another grazing nearby, Serengeti NP, Tanzania.

Frederique Olivier / Kirk's dik-dik (Madoqua kirkii) looking for food, Serengeti NP, Tanzania.

Frederique Olivier / Kirk's dik-dik (Madoqua kirkii) marking its territory, Serengeti NP, Tanzania.

Frederique Olivier / Kirk's dik-dik (Madoqua kirkii) marking its territory, with another feeding and grooming itself in the background, Serengeti NP, Tanzania.

Frederique Olivier / Kirk's dik-dik (Madoqua kirkii) marking its territory, Serengeti NP, Tanzania.

Frederique Olivier / Kirk's dik-dik (Madoqua kirkii) marking its territory and feeding, Serengeti NP, Tanzania.

Frederique Olivier / Kirk's dik-dik (Madoqua kirkii) feeding, Serengeti NP, Tanzania.

Frederique Olivier / Kirk's dik-dik (Madoqua kirkii) feeding, Serengeti NP, Tanzania.

Christophe Courteau / Kirk's dik dik (Madoqua kirki) male grazing on bush, Etosha National Park, Namibia

Pal Hermansen / Kirk's dik dik (Madoqua kirkii) male, Masai Mara, Kenya.

Eric Baccega / Kirk's dik-dik (Madoqua kirkii) standing on hind legs to feed on leaves, Samburu National Reserve, Kenya, Africa.

Eric Baccega / Kirk's dik-dik (Madoqua kirkii) feeding on acacia bush, Samburu National Reserve, Kenya, Africa.

Eric Baccega / Kirk's dik-dik (Madoqua kirkii) portrait, Samburu National Reserve, Kenya, Africa.

Eric Baccega / Kirk's dik-dik (Madoqua kirkii), Samburu National Reserve, Kenya, Africa.

Dave Watts / Damara Dik-dik (Madoqua kirki), Etosha National Park, Namibia

Denis-Huot / Kirk's dik-dik (Madoqua kirkii) Masai-Mara game reserve, Kenya

Denis-Huot / Kirk's dik-dik (Madoqua kirkii) at dawn, Masai-Mara game reserve, Kenya

Denis-Huot / Kirk's dik-dik (Madoqua kirkii) Nakuru national park, Kenya

Denis-Huot / Kirk's dik-dik (Madoqua kirkii) Masai-Mara game reserve, Kenya

Denis-Huot / Kirk's dik-dik (Madoqua kirkii) Masai-Mara game reserve, Kenya

Denis-Huot / Kirk's dik-dik (Madoqua kirkii) Masai-Mara game reserve, Kenya

Denis-Huot / Damara dik-dik (Madoqua kirkii) Etosha National Park, Namibia

Denis-Huot / Damara dik-dik (Madoqua kirkii) in vegetation, Etosha National Park, Namibia

Jeff Vanuga / Kirk's Dikdik (Madoqua kirki) marking territory by defecating, Samburu National Reserve, Kenya, Africa.

Enrique Lopez-Tapia / Kirk's dik dik (Madoqua kirkii) on the lower parts of the Kilimanjaro mountain, Tanzania

Edwin Giesbers / Kirk's dik-dik (Madoqua kirkii) portrait, captive

Edwin Giesbers / Kirk's dik-dik (Madoqua kirkii) portrait, captive

Edwin Giesbers / Kirk's dik-dik (Madoqua kirkii) portrait, captive

Edwin Giesbers / Kirk's dik-dik (Madoqua kirkii) portrait, captive

Ole Jorgen Liodden / Kirk's Dik-dik (Madoqua kirkii) in grass. Samburu, Kenya, December.

Rod Williams / Kirk's Dik Dik (Madoqua kirkii) browsing. Captive. Occurs East Africa.

Tui De Roy / Kirk's Dik-dik (Madoqua kirkii) male, Mpala Research Centre, Kenya

Tui De Roy / Kirk's Dik-dik (Madoqua kirkii) female and male, Loisaba Wilderness, Kenya

Tui De Roy / Kirk's Dik-dik (Madoqua kirkii) female and male, Mpala Research Centre, Kenya

Tui De Roy / Kirk's Dik-dik (Madoqua kirkii) male, Kenya

Nick Garbutt / Kirk's Dik-Dik (Madoqua kirki) male standing in tall grass, Tarangire National Park, Tanzania.

Tui De Roy / Kirk's Dik-dik (Madoqua kirkii) pair, Ol Malo Wildlife Sanctuary, Kenya

Tui De Roy / Kirk's Dik-dik (Madoqua kirkii) portrait, Mpala Research Centre, Kenya

Chris Gomersall / Damaraland dik-dik (Madoqua kirki damarensis) female feeding, Etosha National Park, Namibia, November

George Sanker / Male Kirk's dik dik (Madoqua kirkii) walking through bush, Samburu National Park, Kenya, January

Peter Blackwell / Kirk's dik dik {Madoqua kirki}, Samburu NR, Kenya

Tony Heald / Kirk's / Damara dik dik {Madoqua kirkii} male feeding on vegetation, Etosha NP, Namibia, January

Anup Shah / Two Kirk's dik dik in scrub habitat (Madoqua kirki) East Africa

Hermann Brehm / Kirk's Dik Dik {Madoqua kirki} Tarangire NP, Tanzania

Tony Heald / Kirk's dik dik {Madoqua kirki} male, Etosha NP, Namibia

Peter Blackwell / Kirk's dik dik {Madoqua kirki} Masai Mara NP, Kenya

Richard Du Toit / Kirk's dik dik (Madoqua kirki) male, Etosha NP, Namibia

Bernard Castelein / Kirk's Dik-Dik {Madoqua kirki} Serengeti NP, Tanzania

Richard Du Toit / Male Kirk's dik dik {Madoqua kirki} Etosha NP, Namibia

Mike Wilkes / Pair of Kirk's dik dik (Madoqua kirki) Tanzania, East Africa

Richard Du Toit / Kirk's Dik-dik (Madoqua kirkii) profile, side view, Etosha National Park, Namibia

Peter Blackwell / Kirk's dik dik (Madoqua kirki) in long grass. Maasai Mara Reserve, Kenya, East Africa

Richard Du Toit / Kirk's dik dik, Etosha NP, Namibia

Tony Heald / Kirk's dik dik male, Etosha NP, Namibia

Mike Wilkes / Kirk's dik dik {Madoqua kirki} Serengeti NP, Tanzania

Pete Oxford / Kirk's (Damaraland) Dik Dik, Etosha NP, Namibia

TJ Rich / Female Kirk's Dik-Dik (Madoqua kirkii) Masai Mara, Kenya

TJ Rich / Female Kirk's Dik-Dik sniffing the air (Madoqua kirkii) Masai Mara, Kenya

Andrew Parkinson / Kirk's dik dik in thorn bush {Madoqua kirki} Etosha NP, Namibia