Plot: Family living is a critical social system that facilitates the evolution of cooperative breeding. Dr
![Cast and Crew in Discovering Animal Behaviour - Season 1 - Episode 29 - Family Secrets Poster of Cast and Crew in Discovering Animal Behaviour - Season 1 - Episode 29 - Family Secrets](http://en.actoragecheck.com/lost-image.jpg)
Discovering Animal Behaviour - Season 1 - Family Secrets (Episode 29)
Episode Aired On:
Tuesday, July 15 2008
16 years ago
Tuesday, July 15 2008
16 years ago
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Episode 28