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Most Viewed From Heinz Sielmann-Produktion

Image Galapagos - Trauminsel im Pazifik
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Galapagos - Trauminsel im Pazifik (1962)

Image Otis tarda (Otididae) - Balzverhalten
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Otis tarda (Otididae) - Balzverhalten (1975)

Image Gasterosteus aculeatus (Gasterosteidae) - Balz und Ablaichen
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Gasterosteus aculeatus (Gasterosteidae) - Balz und Ablaichen (1965)

Image Eumetopias jubata (Otariidae) - Verhaltensweisen in der Kolonie
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Eumetopias jubata (Otariidae) - Verhaltensweisen in der Kolonie (1978)

Image Lockende Wildnis
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Lockende Wildnis (1969)