Vipera ursinii rakosiensis MÉHELY, 1893: 190 — Overview

Hungarian Meadow Viper learn more about names for this taxon

IUCN threat status:

Endangered (EN)

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Hungarian meadow viper (Vipera ursinii rakosiensis Méhely, 1893) is an inhabitant of steppe remnants. Recent populations occur on grasslands formed by a mosaic of drying marsh-meadows and sandy pastures, where the relatively diverse features of terrain and grass cover provides high prey-abundance and several different microclimatic options. Vipers spend winter hibernated in rodent burrows of local elevations. During spring as mating season starts males moves significantly more, this time is the most likely to see one of them. Young vipers are born late summer, early September, depending on the number of sunny days. On average 6-14 viper is born, with 12-16 cm length and weighing only 2 g. They become fertile at their third-fourth year. According to our measurements the biggest male was 47,1 cm in length, while the biggest female was 59,8 cm. Young individuals feed mainly on Orthopterans (locusts, grasshoppers, crickets), while adults consume lizards, young birds and rodents. The venom of Hungarian meadow viper is not lethal for humans, its bite – although due to the species’ cautiousness and rareness nowadays it is very infrequent – causes quickly disappearing, bee-sting-like symptoms. (Despite this, in case of being bitten we suggest to visit a doctor!) The cautiousness of this small snake is not accidental as, especially newborns are on the menu of several other species. The so called predators are storks, herons, harriers, roller, pheasant or even the strictly protected great bustard. Wild boar, badger or red fox can even dig them from their burrow.

Hungarian meadow viper (Vipera ursinii rakosiensis Méhely, 1893) is a small, steppe-form member of the so called Vipera ursinii species group. It was described as subspecies according to morphologic and biochemical data. First the French or Italian meadow viper (Vipera ursinii ursinii Bonaparte, 1835) was described, that occurs in Abruzzi Mountains of Italy and on Mont-Ventoux and Montagne de Lure in South-France. The Hungarian meadow viper is the closest related to this mountain subspecies according to morphology. Other mountain subspecies is the Carst viper (Vipera ursinii macrops Méhely, 1911), wich occurs in Dinari-mountains and the Greek meadow viper (Vipera ursinii graeca Nilson & Andrén, 1988) from Pindos-mountains. The Moldavian meadow viper (Vipera ursinii moldavica Nilson, Andrén et Joger, 1988) has an interesting distribution as some populations occur in plains of Danube-delta, with higro-halophyl vegetation, while others on steppe habitats in the surrounding hills of Iasi. Most probably those specimens from Bulgaria that were previously described as Hungarian meadow vipers are Moldavian meadow vipers. Some other recently emerged species, previously listed as subspecies, has to be mentioned here. The Steppe viper (Vipera renardi Christoph, 1861), which has a distribution from the Black-sea to the Tien-San, occurring on plains and mountain habitats as well. Some other mountain-species: the Anatolian steppe viper (Vipera anatolica Eiselt & Baran, 1970), Armenian steppe viper (Vipera eriwanensis Reuss, 1933), Iranian steppe viper (Vipera ebneri Knoeppfler & Sochurek, 1955) and Caucasian meadow viper (Vipera lotievi Nilson, Tuniyev, Höggren et Andrén, 1995). All of these species or subspecies are declining on its distribution, forming small, isolated populations, which are vulnerable to anthropogenic effects.

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Creative Commons Attribution Non Commercial 3.0 (CC BY-NC 3.0)

© Conservation of Hungarian Meadow Viper

Source: Hungarian Ornithological and Nature Conservation Society

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