This programme reveals how birds have become highly sophisticated communicators, using extraordinary patterns of colour and beautiful songs to deter predators, intimidate rivals and impress potential mates. |
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Title: | Signals and Songs | |
Air Date: | November 25, 1998 | |
Runtime: | 50 min | |
Genres: | Nature | |
Speed711 : Never thought a Jack Black movie would make me cry. That Christmas gift got me. 😂