| 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 | 56 | 2012 |
| Impact of power lines on bird mortality in Southern Bulgaria DA Demerdzhiev, S Stoychev, T Petrov, I Angelov, N Nedyalkov Acta Zoologica Bulgarica 61 (2), 175-183, 2009 | 36 | 2009 |
| 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 | 30 | 2014 |
| Invasive raccoon dog depredation on nests can have strong negative impact on the Dalmatian pelican’s breeding population in Bulgaria YS Koshev, MM Petrov, NP Nedyalkov, IA Raykov European Journal of Wildlife Research 66 (5), 85, 2020 | 18 | 2020 |
| Cricetus cricetus (Rodentia: Cricetidae) B Kryštufek, IE Hoffmann, N Nedyalkov, A Pozdnyakov, V Vohralík Mammalian Species 52 (988), 10-26, 2020 | 16 | 2020 |
| News from the Balkan refugium: Thrace has an endemic mole species (Mammalia: Talpidae) B Kryštufek, N Nedyalkov, JJ Astrin, R Hutterer Bonn Zool Bull 67 (1), 41-57, 2018 | 15 | 2018 |
| Population status of breeding Saker Falcons (Falco cherrug) in Turkey A Dixon, D Ragyov, Z Ayas, M Deli, D Demerdzhiev, I Angelov, E Kmetova, ... Avian Biology Research 2 (4), 213-220, 2009 | 14 | 2009 |
| Saker Falcon Falco cherrug reintroduction in Bulgaria: feasibility study D Ragyov, E Kmetova, A Dixon, K Franz, Y Koshev, N Nedialkov SESN, Sofia, 2009 | 12 | 2009 |
| Discovery of a big hibernacula of Noctule bats, Nyctalus noctula (Schreber, 1774)(Chiroptera: Vespertilionidae) in the town of Plovdiv, Bulgaria E Tilova, S SToychEva, E KmETova, N NEDyalKov, D GEorGiEv Historia naturalis bulgarica 19, 129-136, 2008 | 10 | 2008 |
| Diet of Eastern Imperial Eagle (Aquilaheliaca) in Bulgaria: composition, distribution and variation D Demerdzhiev, Z Boev, D Dobrev, N Terziev, N Nedyalkov, S Stoychev, ... Biodiversity Data Journal 10, 2022 | 9 | 2022 |
| Distribution and current status of Cricetulus migratorius (Mammalia: Cricetidae) in Bulgaria, with comments on its status in the Balkans N Nedyalkov Turkish Journal of Zoology 40 (6), 925-932, 2016 | 9 | 2016 |
| 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 5, 201-212, 2014 | 7 | 2014 |
| Does Temporal and Spatial Diet Alteration Lead to Successful Adaptation of the Eastern Imperial Eagle, a Top Predator? D Demerdzhiev, Z Boev, D Dobrev, N Nedyalkov, T Petrov Diversity 14 (11), 1000, 2022 | 5 | 2022 |
| Range expansion of three invasive alien mammals in Bulgaria YS Koshev, NP Nedyalkov, IA Raykov Russian Journal of Theriology 21 (1), 53-62, 2022 | 4 | 2022 |
| Updated distribution of the elusive Roach’s mouse-tailed dormouse, Myomimus roachi Bate, 1937 (Mammalia: Rodentia: Gliridae) in Bulgaria N Nedyalkov, G Popgeorgiev, A Staneva Hist Nat Bulg 29, 3-8, 2018 | 4 | 2018 |
| Diet of Saker Falcon (Falco cherrug) and Eastern Imperial Eagle (Aquila heliaca) from Central Kazakhstan N Nedyalkov, A Levin, A Dixon, Z Boev ECOLOGIA BALKANICA, 25, 2014 | 4 | 2014 |
| New records of some rare rodents (Mammalia: Rodentia) from South-East Bulgaria N NEDYALKOV ZooNotes 39 (4), 1-4, 2013 | 4 | 2013 |
| 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 |
| Museum specimens shedding light on the evolutionary history and hidden diversity of the hedgehog family Erinaceidae Y Zeng, K He, X Chen, W Bai, H Lin, J Chen, N Nedyalkov, N Yamaguchi, ... | 2 | 2022 |
| New records of Suncus etruscus (Soricidae, Mammalia) and its current status in Bulgaria N Nedyalkov, N Kodzhabashev, P Pandakov, G Popgeorgiev Historia naturalis bulgarica 46 (7), 189-194, 2024 | 1 | 2024 |
Yordan KoshevAssociate Professor at Institute of Biodiversity and Ecosystem Research-Bulgarian Academy of ScienceVerified email at iber.bas.bg
