Tony Phelps / Oman saw-scaled / carpet Viper (Echis omanensis) in habitat, Al Wadi Bih, Musundam Plateau, Oman. April 2008

Robert Thompson / Variable bush viper (Atheris squamigera) portrait, endemic to west and central Africa

Daniel Heuclin / Ocellated carpet viper (Echis ocellatus) captive, from Mauritania to Cameroon.

Daniel Heuclin / Ocellated carpet viper (Echis ocellatus) captive, from Mauritania to Cameroon.

Daniel Heuclin / Ocellated carpet viper (Echis ocellatus) captive, from Mauritania to Cameroon.

Daniel Heuclin / Ocellated carpet viper (Echis ocellatus) captive, from Mauritania to Cameroon.

MYN / Javier Aznar / Saw scaled viper (Echis khosatzkii) coiled up, Oman. Meetyourneighbours.net project

Michael D. Kern / Kaleidescope image formed from photograph of Bush viper (Atheris squamigera). See 01499520 for the original.

Michael D. Kern / Kaleidoscope pattern formed from picture of Variable Bush Viper (Atheris squamigera) face and scales.

Michael D. Kern / Bush viper (Atheris squamigera) captive, occurs in West and Central Africa.

Gertrud & Helmut Denzau / Saw Scaled Viper (Echis carinatus) camouflaged on ground, Touran Protected Area, now part of Khar Turan National Park, Semnan Province, Iran

Hanne & Jens Eriksen / Saw scaled viper (Echis carinatus) with tongue out, captive, Oman, February