Vipera ammodytes montandoni
# Vipera ammodytes montandoni

    Common names: transdanubian sand viper.

Vipera ammodytes montandoni is a venomous viper subspecies endemic to Bulgaria and southern Romania.

## Etymology

The subspecific name, montandoni, is in honor of "M. A. Montandon" who sent some of the first specimens of this snake to Boulenger.

## Description

According to Boulenger (1913): "Naso-rostral shield never reaching the canthus rostralis nor the summit of the rostral shield, which is deeper than broad (once and one seventh to once and a half); rostral appendage clad with 10-14 scales, in three (rarely two or four) transverse series between the rostral shield and the apex. Dorsal scales in 21 rows [at midbody]. Ventral shields 149 to 158; subcaudals 30 to 38. A more or less distinct blotch on the lower lip, involving five to seven labial shields without complete interruption. Lower surface of end of tail yellow."

## Geographic range

Bulgaria and southern Romania.

