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Darwin's pigeons

How did the breeding of pigeons help Darwin in his discoveries? Darwin wanted to know how a wide diversity of pigeons could be bred by pigeon breeders. He studied and crossbred all the UK breeds himself to prove they were all one species, bred from one ancestral type. The clip describes how from day one, favourable differences can be artificially selected by breeders. Darwin theorised that nature also acts to select favourable traits; it picks out those with an advantage and kills the rest. Pigeon breeding gave Darwin the most graphic example of how species originate.

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2 minutes

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