Alain Dragesco-Joffe / Dama gazelle (Gazella / Nanger dama) Tenere, Sahara, Niger.

Alain Dragesco-Joffe / Dama gazelles (Gazella dama / Nanger dama) on rocks with Dorcas gazelles (Gazella dorcas) in the background, Sahara Desert.

Roland Seitre / Mhorr gazelle (Nanger / Gazella dama mhorr) captive, critically endangered species, from Sahel desert, Estacion Experimental de Zonas Aridas, Spain

Thomas Rabeil / Group of Dama Gazelle (Nanger dama) observing the cameraman. Critically endangered. Termit Massif plains, Termit Tin Toumma National Park, Sahelo-Saharan Biome, Niger.

Thomas Rabeil / Dama Gazelle (Nanger dama) juvenile running across rocky terrain. This species is critically endangered. Termit Massif, Niger.

Thomas Rabeil / Dama Gazelle (Nanger dama) juvenile running across rocky terrain. This species is critically endangered. Termit Massif, Niger.

Dave Watts / Two Dama gazelles (Nanger dama) captive, occurs in Saharan Africa

ZSSD / Addra Gazelle (Nanger dama) pair bonding, native to Africa

Joel Sartore / Photo Ark / Addra gazelle (Nanger dama ruficollis) male, portrait, Indianapolis Zoo. Captive, occurs in northern Africa. Critically endangered.

Joel Sartore / Photo Ark / Addra gazelle (Nanger dama ruficollis) male, head portrait, Indianapolis Zoo. Captive, occurs in northern Africa. Critically endangered.

Roland Seitre / Scimitar oryx (Oryx dammah) with Mhorr gazelle (Gazella dama mhorr) behind, Guembeul Natural Reserve, St Louis, Senegal.

Roland Seitre / Addra Gazelle (Nanger dama) males fighting, native to Africa