The Cuckoo's Secret (1922)
The film shows a cuckoo caught in the act of laying an egg in the nest of two titlarks. The egg is hatched by the foster-mother, and she and her mate feed and tend the young cuckoo, even to the detriment of their own chicks.
- Year: 1922
- Genres: Documentary
- Countries: United Kingdom
- Languages: No Language
- Runtime: 17 min