id5944,
Vipera berus,
Bulgaria >
Pirin Mts. >
Bansko, Banjska, Banjsko, 1159 m a. s.,
Daniel Jablonski,
Martin Donát,
17.08.2011,
19.01.2012, A one juvenile specimen.
id5948,
Vipera berus,
Bulgaria >
Pirin Mts. >
Chata Vichren, 1975 m a. s.,
Daniel Jablonski,
Martin Donát,
18.08.2011,
15.01.2012, Ecdysis from adult specimen.