| Global COVID-19 lockdown highlights humans as both threats and custodians of the environment AE Bates, RB Primack, BS Biggar, TJ Bird, ME Clinton, RJ Command, ... Biological conservation 263, 109175, 2021 | 154 | 2021 |
| Long-term population status, breeding parameters and limiting factors of the Griffon Vulture (Gyps fulvus Hablizl, 1783) population in the Eastern Rhodopes, Bulgaria D Demerdzhiev, H Hristov, D Dobrev, I Angelov, M Kurtev Acta zoologica bulgarica 66 (3), 373-384, 2014 | 42 | 2014 |
| Diet is not related to productivity but to territory occupancy in a declining population of Egyptian Vultures Neophron percnopterus V Dobrev, Z Boev, V Arkumarev, D Dobrev, E Kret, V Saravia, A Bounas, ... Bird Conservation International 26 (3), 273-285, 2016 | 28 | 2016 |
| Studying the demographic drivers of an increasing Imperial Eagle population to inform conservation management D Demerdzhiev, S Stoychev, D Dobrev, S Spasov, S Oppel Biodiversity and Conservation 24, 627-639, 2015 | 28 | 2015 |
| Major threats to a migratory raptor vary geographically along the eastern Mediterranean flyway S Oppel, V Arkumarev, S Bakari, V Dobrev, V Saravia-Mullin, S Adefolu, ... Biological Conservation 262, 109277, 2021 | 27 | 2021 |
| Seasonal dynamics in the exploitation of natural carcasses and supplementary feeding stations by a top avian scavenger V Arkumarev, D Dobrev, A Stamenov, N Terziev, A Delchev, S Stoychev Journal of Ornithology 162, 723-735, 2021 | 24 | 2021 |
| Population reinforcement and demographic changes needed to stabilise the population of a migratory vulture S Oppel, V Saravia, A Bounas, V Arkumarev, E Kret, V Dobrev, D Dobrev, ... Journal of Applied Ecology 58 (12), 2711-2721, 2021 | 19 | 2021 |
| Vulture conservation in Bulgaria D Dobrev, S Stoychev Conference 6, 38, 2013 | 19 | 2013 |
| Using GPS and accelerometry data to study the diet of a top avian scavenger V Arkumarev, D Dobrev, A Stamenov, N Terziev, A Delchev, S Stoychev Bird Study 67 (3), 300-310, 2020 | 18 | 2020 |
| Conservation measures undertaken to improve the population status of eastern imperial eagle (Aquila heliaca) in Bulgaria D Demerdzhiev, S Stoychev, D Dobrev, S Spasov, N Terziev Raptor Journal 8 (2014), 27-39, 2014 | 17 | 2014 |
| Long-term size and range changes of the Griffon Vulture Gyps fulvus population in the Balkans: a review D Dobrev, R Tsiakiris, T Skartsi, V Dobrev, V Arkumarev, K Stara, ... Bird Conservation International 32 (2), 206-221, 2022 | 16 | 2022 |
| Breeding performance and population trend of the Egyptian Vulture Neophron percnopterus in Bulgaria: conservation implications V Arkumarev, V Dobrev, S Stoychev, D Dobrev, D Demerdzhiev, ... Ornis Fennica 95 (3), 115–127-115–127, 2018 | 15 | 2018 |
| Distribution, abundance, breeding parameters, threats and prey preferences of the eastern imperial eagle (Aquila heliaca) in European Turkey D Demerdzhiev, D Dobrev, S Stoychev, N Terziev, S Spasov, Z Boev Raptor Journal 8 (2014), 17-25, 2014 | 15 | 2014 |
| Survival rate and mortality of juvenile and immature eastern imperial eagles (Aquila heliaca) from Bulgaria studied by satellite telemetry S Stoychev, D Demerdzhiev, S Spasov, D Dobrev, BU Meyburg Raptor Journal 8 (2014), 53-60, 2014 | 13 | 2014 |
| First record of Eurasian Griffon Vulture Gyps fulvus from the Balkans migrating to South Sudan revealed by GPS tracking V Arkumarev, D Dobrev, A Stamenov Scopus: Journal of East African Ornithology 39 (2), 27-35, 2019 | 11 | 2019 |
| Main mortality factors for the Eastern imperial eagle (Aquila heliaca Savigny, 1809) in Bulgaria I Lazarova, D Dobrev, G Gradev, R Petrov, S Stoychev, I Klisurov, ... Ornis Hungarica 28 (2), 120-134, 2020 | 10 | 2020 |
| Habitat requirements of the Lesser Spotted Eagle Clanga pomarina Brehm, 1831 (Aves: Accipitridae) at the southern periphery of the distribution range (Southeast Bulgaria) DA Demerdzhiev, GS Popgeorgiev, DD Dobrev, VS Arkumarev, ... Acta Zoologica Bulgarica, Supplement 14, 35-65, 2019 | 10 | 2019 |
| An overview of monitoring for raptors in Bulgaria S Spasov, V Arkumarev, D Dobrev, V Dobrev Acrocephalus 33 (154-155), 181-189, 2012 | 9 | 2012 |
| Distribution, abundance and breeding performance of Lesser Spotted Eagle Clanga pomarina Brehm, 1831 (Aves: Accipitridae) in Southeast Bulgaria DA Demerdzhiev, DD Dobrev, VS Arkumarev, NG Terziev, GS Georgiev Acta Zoologica Bulgarica, Supplement 14, 15-33, 2019 | 8 | 2019 |
| Landscape alteration affects the demography of an endangered avian predator by reducing the habitat quality D Demerdzhiev, D Dobrev, G Popgeorgiev, S Stoychev Avian Research 13, 100030, 2022 | 6 | 2022 |
