How old was Heinz Sielmann in…

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Heinz Sielmann was 60 in Eumetopias jubata (Otariidae) - Verhaltensweisen in der Kolonie as 'Producer, Director'.

Movie Released: Sun, Jan 01 1978

Heinz Sielmann was 57 in Otis tarda (Otididae) - Balzverhalten as 'Director'.

Movie Released: Wed, Jan 01 1975

Heinz Sielmann was 56 in Vanishing Wilderness as 'Director'.

Movie Released: Tue, Jan 01 1974

Heinz Sielmann was 52 in Lockende Wildnis as 'Writer, Producer, Director, Director of Photography'.

Movie Released: Thu, Oct 30 1969

Heinz Sielmann was 47 in Gasterosteus aculeatus (Gasterosteidae) - Balz und Ablaichen as 'Producer, Director'.

Movie Released: Fri, Jan 01 1965

Heinz Sielmann was 44 in Galapagos - Trauminsel im Pazifik as 'Director, Writer, Producer'.

Movie Released: Thu, May 31 1962

Heinz Sielmann was 41 in Lords of the Forest as 'Director'.

Movie Released: Fri, Nov 21 1958

Heinz Sielmann was 39 in Wiesensommer as 'Director'.

Movie Released: Wed, Dec 19 1956

Heinz Sielmann was 38 in Woodpecker as 'Cinematography, Writer, Director'.

Movie Released: Thu, Sep 01 1955

Heinz Sielmann was 35 in Quick - das Eichhörnchen as 'Director'.

Movie Released: Mon, Jun 09 1952

Heinz Sielmann was 34 in Konzert am Tümpel as 'Director, Director of Photography'.

Movie Released: Tue, Jan 01 1952

Heinz Sielmann was 32 in Lied der Wildbahn as 'Director'.

Movie Released: Sun, Apr 16 1950

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Ages in TV shows are based off the first air date and may not be accurate. View individual episode details for accurate ages

Heinz Sielmann was 47+ in Expeditionen ins Tierreich as 'Creator'.

TV Show Released: First Air Date
Sun, Apr 18 1965