Little Bittern (Woudaap)
by Rick & José van der Weijde
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Eurasian Bittern (Roerdomp)
by Rick & José van der Weijde
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Great Bittern (Botaurus stelleraris)
by Dave Barnes
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Least Bittern (Botaurus exilis)
by Geert Bauke Kortleve
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Little Bittern (Botaurus minutus)
by Geert Bauke Kortleve
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Botaurus stellaris (bittern-tarabuso)
by robertoparmiggiani
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Botaurus stellaris - Great Bittern
by Wouter Van Gasse
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Roerdomp - Bittern - Botaurus stellaris
by Ton, Ben & Rob Nagtegaal
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EURASIAN BITTERN - Botaurus stellaris - ROERDOMP - BUTOR ÉTOILÉ
by AXEL SMETS
| 
Roerdomp (Botaurus stellaris)
by Thomas Luiten
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