Vipera aspis
there is five subspecies:
- Vipera aspis aspis
- Vipera aspis atra (in discussion)
- Vipera aspis francisciredi
- Vipera aspis Hugyi
- Vipera aspis zinnikeri
this is a medium vipers with an average length of 70 cm. the color and pattern is extremely variable.
some pics of different vipera aspis:
- aspis aspis:
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-aspis atra
-aspis francisciredi
-aspis hugyi
sorry but I have no photo for the moment.
-aspis zinnikeri
sorry but I have no photo
Distribution:
Habitat:
(Jura/CH)
(Fribourg/CH)
Alimentation:
small rodents, lizards and nestling birds and rarely frogs (Monney, 1993)
Reproduction:
this species is viviparous. the mating take place between March and May. the females give birth to 2-12 young in late summer.
Hibernation:
between september-October to march-april. (differ to the altitude).
Conservation and threats:
This species is listed on Appendix III of the Bern Convention and is protected by national legislation in parts of its range (e.g.. Switzerland). It occurs in many protected areas. The subspecies V. a. aspis is categorized as Critically Endangered in Switzerland; V. a. atra is categorized as Vulnerable; and V. a. francisciredi is categorized as Endangered (Monney and Meyer, 2005).
This species is threatened by loss of habitat through agricultural intensification, and to a lesser degree loss of habitat resulting from the development of tourist facilities and urbanization. The species is often found in open areas and overgrowth of these sites is an additional threat (for example in the Jura Mountains) (Jaggi and Baur, 1999). The species is persecuted by people, and illegally collected for the pet trade. Some populations are threatened through mortality on roads.
(source: Red list IUCN)
Conservation and threats:
This species is listed on Appendix III of the Bern Convention and is protected by national legislation in parts of its range (e.g.. Switzerland). It occurs in many protected areas. The subspecies V. a. aspis is categorized as Critically Endangered in Switzerland; V. a. atra is categorized as Vulnerable; and V. a. francisciredi is categorized as Endangered (Monney and Meyer, 2005).
This species is threatened by loss of habitat through agricultural intensification, and to a lesser degree loss of habitat resulting from the development of tourist facilities and urbanization. The species is often found in open areas and overgrowth of these sites is an additional threat (for example in the Jura Mountains) (Jaggi and Baur, 1999). The species is persecuted by people, and illegally collected for the pet trade. Some populations are threatened through mortality on roads.
(source: Red list IUCN)
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