Spalerosophis diadema
Spalerosophis diadema, known commonly as the diadem snake and the royal snake, is a species of large snake in the subfamily Colubrinae of the family Colubridae. The species is endemic to Asia and northern Africa. Geographic range. "S. diadema" is found in Algeria, Afghanistan, Egypt, northern India, Iran, Iraq, Israel, Lebanon, Jordan, southern Kazakhstan, Kyrgyzstan, Libya, Mali, Mauritania, Morocco, Niger, Oman, United Arab Emirates, western Pakistan, Russia, Saudi Arabia, northern Sudan, Syria, Tajikistan, Tunisia, Turkey, southern Turkmenistan, and Uzbekistan. Subspecies. Three subspecies of "S. diadema" are recognized as being valid, including the nominotypical subspecies, and are found as  follows. Etymology. The subspecific name, "cliffordi", is in honor of ""M[onsieur]. Clifford Cocq van Breugel" " who was Dutch consul at Tripoli, probably referring to Jacques Fabrice Herman Clifford Kocq van Breugel (1799-1867). Description. "S. diadema" may attain a total length of 1.8 m (about 6 feet), of which about 34 cm (13½ inches) is tail. Dorsally, it is pale buff or sandy grey, with a median series of dark blotches, and smaller dark spots. Ventrally, it is usually uniform white, but rarely has small blackish spots. Reproduction. "S. diadema" is oviparous.