Crepuscular and nocturnal activity of the Nose-horned viper, Vipera ammodytes (Linnaeus, 1758) is more common than previously reported


	Indicative map of authors’ personal unpublished observations of Vipera ammodytes in Bulgaria. Green circles – diurnally active individuals. Red circles – the crepuscular/nocturnally active individuals described in Table 1; a number indicates the count of closely situated observations.

Part of: Dyugmedzhiev A, Andonov K, Popgeorgiev G, Naumov B, Kornilev YV (2020) Crepuscular and nocturnal activity of the Nose-horned viper, Vipera ammodytes (Linnaeus, 1758) is more common than previously reported. Herpetozoa 33: 165-169. https://doi.org/10.3897/herpetozoa.33.e56520