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    Heinz Sielmann
    An image from Vanishing Wilderness, one of the productions that also features Heinz Sielmann.
    Heinz Sielmann

    Heinz Sielmann

    June 2, 1917 — Rheydt, Germany
    —
    Expeditionen ins Tierreich

    Expeditionen ins Tierreich

    1965

    Lords of the Forest

    1958

    Vanishing Wilderness

    Vanishing Wilderness

    1974

    Galapagos - Trauminsel im Pazifik

    Galapagos - Trauminsel im Pazifik

    1962

    Eumetopias jubata (Otariidae) - Verhaltensweisen in der Kolonie

    1978

    Gasterosteus aculeatus (Gasterosteidae) - Balz und Ablaichen

    1965

    Konzert am Tümpel

    1952

    Woodpecker

    1955