Gasterosteus aculeatus (Gasterosteidae) - Balz und Ablaichen (1965)
felszabadított: Jan 01, 1965
Runtime: 7 percek
Műfaj: Dokumentum
Csillag:
Crew: Georg Theilacker (Director of Photography), Heinz Sielmann (Producer), Heinz Sielmann (Director)
felszabadított: Jan 01, 1965
Runtime: 7 percek
Műfaj: Dokumentum
Csillag:
Crew: Georg Theilacker (Director of Photography), Heinz Sielmann (Producer), Heinz Sielmann (Director)