After "Fanfare", he continued his artistry in directing another short film called, "Zoo". It was released on the 14th of December, 1962. A film which compared the behavior of animals and humans through his always appreciated humoristic fashion. As always, Haanstra continued to experiment with his cinematic techniques. In "Zoo" he experimented with hidden camera filming to capture he true nature of both man and beast. In 1963, "Zoo" was nominated for the BAFTA Film Award in Holland for Best Short Film.