-
Observer: Iordan Hristov-- Freelance bird guide--NatureMonitoring.com
-
Observer: Galia Veleva
-
Observer: Galia Veleva
-
Observer: Rik Vetter
-
Observer: Galia Veleva
-
Observer: Galia Veleva
-
Observer: Jiří Marek
-
Observer: Jiří Marek
-
Observer: Boris Belchev
-
Observer: Virgilio Beltrán
-
Observer: Virgilio Beltrán
-
Observer: Stanislav Dimitrov
-
Observer: Veselina Shumanova
-
Observer: Peter Scholes
-
Observer: Frank Franken
-
Observer: Simon Thorn
-
Observer: Viktoria Mader
-
Observer: Iordan Hristov-- Freelance bird guide--NatureMonitoring.com
-
Observer: Galia Veleva
-
Observer: Tihomir Stefanov
-
Observer: Lyubomir Profirov
-
Observer: Kalin Velev
-
Observer: Julian Muraveev
-
Observer: Daniel Mitev
-
Observer: Dimitar Dimitrov
-
Observer: Pavel Štěpánek
-
Observer: Teodora Kostova
-
Observer: Liliya Markova
-
Observer: Yordan Yordanov
-
Observer: Iordan Hristov-- Freelance bird guide--NatureMonitoring.com
-
Observer: Aurélie Jambon
-
Observer: Adrien Pajot
-
Observer: Galia Veleva
-
Observer: Galia Veleva
-
Observer: Boris Zahariev
-
Observer: Galia Veleva
-
Observer: Yordan Yordanov
-
Observer: Veselina Shumanova
-
Observer: Iordan Hristov-- Freelance bird guide--NatureMonitoring.com
-
Observer: Galia Veleva
-
Observer: Galia Veleva
-
Observer: Galia Veleva
-
Observer: Galia Veleva
-
Observer: Emiliya Glavadzhanova
-
Observer: Iordan Hristov-- Freelance bird guide--NatureMonitoring.com
-
Observer: Emiliya Glavadzhanova
-
Observer: Iordan Hristov-- Freelance bird guide--NatureMonitoring.com
-
Observer: Emiliya Glavadzhanova
-
Observer: Iordan Hristov-- Freelance bird guide--NatureMonitoring.com
-
Observer: Iordan Hristov-- Freelance bird guide--NatureMonitoring.com
-
Observer: Pavel Štěpánek
-
Observer: Heiko Ackermann
-
Observer: Simeon Gigov
-
Observer: Istvan Pazmandi
-
Observer: Galia Veleva
-
Observer: Alexander Lees
-
Observer: Nárgila Moura
-
Observer: Pavel Štěpánek
-
Observer: Pavel Štěpánek
-
Observer: Galia Veleva
-
Observer: Irina Ivanova
-
Observer: Pavel Štěpánek
-
Observer: Gary Stewart
-
Observer: Raino Kinnunen
-
Observer: Jacques Vanheuverswyn
-
Observer: Juan María Domínguez Robledo
-
Observer: Simeon Gigov
-
Observer: Simeon Gigov
-
Observer: Simeon Gigov
-
Observer: Simon Bradfield
-
Observer: Simeon Gigov
-
Observer: Iordan Hristov-- Freelance bird guide--NatureMonitoring.com
-
Observer: Simeon Gigov
-
Observer: Lyubomir Profirov
-
Observer: Daniel Mitev
-
Observer: Nikolay Vekov
-
Observer: Lyubomir Profirov
-
Observer: Lyubomir Profirov
-
Observer: Lyubomir Profirov