Knock knock – a Woodpeckers world
Zimmer Frei? Die Baukunst der Spechte
Knock knock – a Woodpeckers world at Fmovies. They hammer, drum and construct – meet the master builders and percussionists of the bird world – and their tenants, like tits, pigeons and squirrels!
- Genre: Documentary
- Country:
- Director: Uwe Müller
- Cast: Hans Henrik Wöhler,
