| 21. | The least bittern forms a superspecies with the little bittern and yellow bittern.
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| 22. | The least bittern forms a superspecies with the little bittern and yellow bittern.
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| 23. | The least bittern forms a superspecies with the little bittern and yellow bittern.
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| 24. | Ducks, herons, and bitterns frequent the wetlands.
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| 25. | Bitterns tend to be shorter necked and more wary.
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| 26. | Ardeidae contains the bitterns, herons, and egrets.
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| 27. | Twelve species of bitterns, herons and egrets have been recorded in Georgia.
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| 28. | It is one of the few British nest sites of the Eurasian bittern.
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| 29. | Herons and Bitterns fly with necks folded; Ibises and Limpkins with necks extended.
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| 30. | We see blue herons and the little green heron, bitterns and snowy egrets.
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