| 31. | He contributed regularly to the Journal of Ornithology and other ornithological journals.
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| 32. | In 2008, he chaired the XII Argentina Ornithological Meeting.
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| 33. | The society was succeeded by a new Norwegian Ornithological Society in 1957.
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| 34. | Ornithological work was undertaken by the museum at Augustusburg Castle.
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| 35. | The tower is used in the spring for ornithological observations.
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| 36. | He made ornithological visits to Norway, Russia, Finland and Transylvania.
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| 37. | At that time, she worked with Wolfgang Schleidt on ornithological projects.
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| 38. | A place where Mother Nature is always on holiday, an ornithological smorgasbord.
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| 39. | It's hard to concentrate on a story when ornithological incongruities intrude.
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| 40. | The Louisiana Ornithological Society began advertising " I Want to Believe"
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