1 Сезон
29 Епізод
Discovering Animal Behaviour - Season 1 Episode 2 Серія 2
Why are birds so brightly coloured? The researcher Juan Carlos Senar has discovered that different colors send different messages. For example, bright yellow means healthy and black means aggressive. Painting a black spot on a bird increased its dominance in the group.
- Рік: 2008
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- Директор: Alberto Redondo
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