Articles by author: Pavel Simeonov

[2] (reverse chronological order)

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
Volume 45: 143–147 · 2 May 2023

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

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