Bruno D'Amicis / Sand viper (Cerastes vipera) sidewinding on sand dunes. Grand Erg Oriental, Kebili Governorate. Tunisia.

Daniel Heuclin / Sand Viper (Cerastes vipera) side winding across sand dunes, near Chingueti, Mauritania

Daniel Heuclin / Sand Viper (Cerastes vipera) in shade of grass, Erg Chigaga, Morocco

Alain Dragesco-Joffe / Horned viper (Cerastes cerastes) Tenere, Sahara Desert, Niger.

Alain Dragesco-Joffe / Sahara sand viper (Cerastes vipera) burying itself. Sahara Desert. Sequence 3 of 3

Alain Dragesco-Joffe / Sahara sand viper (Cerastes vipera) burying itself. Sahara Desert. Sequence 2 of 3

Alain Dragesco-Joffe / Sahara sand viper (Cerastes vipera) burying itself. Sahara Desert. Sequence 1 of 3

Alain Dragesco-Joffe / Sand cat (Felis margarita) eating a Common viper (Cerastes vipera) Tenere, Sahara, Niger

Alain Dragesco-Joffe / Sand cat (Felis margarita) eating a Common viper (Cerastes vipera) Tenere, Sahara, Niger

Alain Dragesco-Joffe / Sand cat (Felis margarita) attacking a Common viper (Cerastes vipera) Tenere, Sahara, Niger

Alain Dragesco-Joffe / Sand cat (Felis margarita) evading bite from Common viper (Cerastes vipera) prey, Tenere, Sahara, Niger

Javier Aznar / Sahara Sand Viper (Cerastes vipera) waiting to ambush prey at night, half buried under sand with only the head visible, Western Sahara Desert.