Cinnamon Bittern (Ixobrychus cinnamomeus)
by Mark C
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Great Bittern (Botaurus stelleraris)
by Dave Barnes
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Black Bittern ( Ixobrychus flavicollis )
by Mark C
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Little Bittern
by Otto Plantema
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Bittern, American #3
by Paul Higgins
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GBTB - Garden by the bay
by Mark C
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Von Schrenck's Bittern (Ixobrychus eurhythmus)
by Mark C
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Great Bittern at Candaba wetlands!
by romy ocon
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American Bittern
by Bill Carrell
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Great Bittern (Rördrom)
by S.Stenlund
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