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Résumé :
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A one-leaf print produced 1645 in Neisse (Nysa, Poland) gives a detailed report on three flocks of approximately 180 White Pelicans Pelecanus onocrotalus, which rested in early December 1644 for three days in an open field near Ratibor (Raciborz, Poland) and continued their migration via Olmuetz (Olomouc, Slovakia) and Vienna (Wien, Austria). The original text of this outstanding faunistic report for Poland, Slovakia and Austria is communicated. From the years 1644 and 1645 already other unusual bird migrations are known from Central Europe.
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