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Violeta Zhelyazkova. Photo: (c) Boyan Petrov
Violeta Zhelyazkova. Photo: (c) Boyan Petrov

Violeta Zhelyazkova

(Associate, Member of the Bat Research and Conservation Centre)
phone: (+359 88) 8432110; e-mail:

Born on: 8 January 1991 in Sofia.

Education: National Museum of Natural History — BAS, PhD student; Sofia Unversity 'St. Kliment Ohridski', MSc of 'Genetics and Genomics' and 'Algology and Mycology'; Bachelor of Science in Molecular Biology.

Research interests

Biology of the cave fungus Pseudogymnoascus destructans, causer of white-nose syndrome of bats; biology of bats, population and conservation genetics, science communication, working with children.

Current projects

Genetic structure of populations of Pseudogymnoascus destructans in Europe
Monitoring of bat populations in Bulgaria
Teaching kids at vacation schools in the museum
Representing the museum at the Sofia Science Festival and other science-communication events
Organising a students’ Journal Club in the museum


Cave expedition 'Pu'va'va' Hawaii — 2015
National cave expedition 'Tenengebirge', Austria — 2014
National cave expedition 'Maya Arapit', Albania — 2009
International cave expedition in Ukraine — 2008
Numerous cave expeditions in Bulgaria


Zhelyazkova, V., Toshkova, N., Goranov, S., 2016. Bats and Caves. — In: Speleological Studies of Caves in Godech Municipality (Part 1), Association of Speleoclubs in Sofia, Sofia, 51—62. [PDF]

Toshkova, N., Zhelyazkova, V., 2016. Expedition Hawaii. — BBC Knowledge Bulgaria, vol. 72, 12/2015.

Toshkova, N., Zhelyazkova, V., 2016. Cave fungi. — In: Speleological Studies of Caves in Godech Municipality. Part 1. Sofia

Toshkova, N. L., Zhelyazkova, V. L., Puechmaille, S., Uzunov, B. A., Stoyneva-Gärtner, M. P., 2016. Review of the current status and future perspectives on Pseudogymnoascus destructans studies with reference to the species findings in Bulgaria. — Ann. Univ. Sof. 100 (2).

Petrov, B., Alexandrova, I., Karadakov, V., Georgieva, T., Toshkova, N., Zhelyazkova, V., 2014. Bats (Mammalia: Chiroptera) in Ponor Special Protection Area (Natura 2000), Western Bulgaria: Species Diversity and Distribution. — Acta zoologica bulgarica, 65 (Suppl. 5): 117—128.

Zhelyazkova, V., Toshkova, N., 2011. A Story about a Museum and Something More... — Ecology, Biology and Biotechnology, 6/2011: 722—78.