Articles by author: Ivaylo Tonev

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Extraordinary occurrence of Pallas’s leaf warbler (Phylloscopus proregulus Pallas, 1811) in Bulgaria and the Balkan Peninsula in the autumn and winter of 2022/2023
2 May 2023 · vol. 45 · pp. 143–147

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Vagrant species of birds captured at Durankulak ringing camp, NE Bulgaria, 2019–2020
20 August 2021 · vol. 42 · pp. 89–94

— views: 225 · citations: 3