| Distribution and status of the European Ground Squirrel (Spermophilus citellus) in Bulgaria YS Koshev Lynx 39 (2), 251-261, 2008 | 47 | 2008 |
| Effect of traffic on mortality of amphibians, reptiles, birds and mammals on two types of roads between Pazardzhik and Plovdiv region (Bulgaria)–Preliminary Results N Kambourova-Ivanova, Y Koshev, G Popgeorgiev, D Ragyov, M Pavlova, ... Acta zoologica bulgarica 64 (1), 57-67, 2012 | 41 | 2012 |
| Multilocus phylogeography of the E uropean ground squirrel: cryptic interglacial refugia of continental climate in E urope Š Říčanová, Y Koshev, O Říčan, N Ćosić, D Ćirović, F Sedláček, J Bryja Molecular ecology 22 (16), 4256-4269, 2013 | 35 | 2013 |
| Structure and variability of alarm calls of European ground squirrel Spermophilus citellus L. 1766 (Mammalia: rodentia) from Western Bulgaria Y Koshev, I Pandourski Acta Zool. Bulgar 60, 99-105, 2008 | 16 | 2008 |
| Color variation of small mammals’s (Mammalia: Rodentia and Insectivora) coats from Bulgaria N Nedyalkov, Y Koshev, I Raykov, G Bardarov North-western journal of zoology 10 (2), 314-317, 2014 | 15 | 2014 |
| Coccidian parasites (Eucoccidia: Eimeriidae) in European ground squirrel (Spermophilus citellus L., 1766)(Rodentia: Sciuridae) from Bulgaria VG Golemansky, YS Koshev Acta Zoologica Bulgarica 59 (1), 81-85, 2007 | 12 | 2007 |
| Environmental factors and distribution of European ground squirrel (Spermophilus citellus) in Bulgaria YS Koshev, MA Kocheva Ecology and safety. International Scientific Publications 1, 277-287, 2007 | 11 | 2007 |
| Daily activity pattern in free-living European ground squirrels Spermophilus citellus (Mammalia: Rodentia) from Northwestern Bulgaria Y Koshev, M Kocheva Acta Zool Bulg 2, 149-154, 2008 | 9 | 2008 |
| Saker Falcon Falco cherrug reintroduction in Bulgaria: feasibility study D Ragyov, E Kmetova, A Dixon, K Franz, Y Koshev, N Nedialkov SESN. Sofia, 2009 | 8 | 2009 |
| Systematic and ecological survey on coccidians (Apicomplexa: Eucoccidida) in European ground squirrel (Spermophilus citellus L.)(Rodentia: Sciuridae) from Bulgaria VG Golemansky, YS Koshev Acta Zoologica Bulgarica 61 (2), 141-148, 2009 | 7 | 2009 |
| Distribution, isolation and recent status of European ground squirrel (Spermophilus citellus L.) in Pazardzhik district, Bulgaria Y Koshev Ann. Shumen Univ.“Konstantin Preslavsky” Fac. Nat. Sci 19, 97-109, 2009 | 7 | 2009 |
| Small Mammals (Mammalia: Erinaceomorpha, Soricomorpha, Rodentia and Lagomorpha) in Ponor Special Protection Area (Natura 2000), Western Bulgaria: Species Diversity … YS Koshev Acta zoologica bulgarica, 107-115, 2014 | 6 | 2014 |
| Preparatory activities for Saker Falcon (Falco cherrug) reintroduction in Bulgaria: habitat management and electrocution risk assessment D Ragyov, Y Koshev, E Kmetova, G Gradev, G Stoyanov, I Stoev, ... Aquila 119, 91-103, 2012 | 6 | 2012 |
| Sex chromosome variability of Spermophilus citellus (Linnaeus, 1766) in the Southeastern part of the Balkan Peninsula T Chassovnikarova, M Rovatsos, N Atanasov, Y Koshev Mammalian Biology 80 (4), 365-371, 2015 | 5 | 2015 |
| Small mammals (Erinaceomorpha, Soricomorpha, Rodentia, Lagomorpha) in Besaparski Ridove Special Protection Area (Natura 2000), southern Bulgaria: species composition … N Nedyalkov, Y Koshev Acta zoologica bulgarica, 201-212, 2014 | 5 | 2014 |
| New record of steppe polecat (Mustela eversmanni Lesson, 1827) in Northwestern Bulgaria Y Koshev, P Genov Historia naturalis bulgarica 19, 183-184, 2008 | 4 | 2008 |
| Translocations of European ground squirrel (Spermophilus citellus) along altitudinal gradient in Bulgaria–an overview Y Koshev, M Kachamakova, S Arangelov, D Ragyov Nature Conservation 35, 63, 2019 | 3 | 2019 |
| Species composition and conservation of small mammals (Mammalia: Erinaceomorpha, Soricomorpha, Lagomorpha, Rodentia) in Vrachanska Planina Mountains N NEDYALKOV, Y KOSHEV Faunistic diversity of Vrachanski Balkan Nature Park. ZooNotes, Supplement 3 …, 2016 | 3 | 2016 |
| Interspecific Aggressive Behaviour of European Ground Squirrel (Spermophilus Citellus L.) YS Koshev Biotechnology & Biotechnological Equipment 24 (sup1), 671-674, 2010 | 3 | 2010 |
| Relation between body mass and home range size of small mammals Y Koshev, N Atanassov, M Kocheva Proceedings of the Balkan Scientific Conference of Biology. Eds B. Gruev, M …, 2005 | 3 | 2005 |
Nedko NedyalkovNational Museum of Natural History, SofiaVerified email at nmnhs.com
