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There was a very interesting In Our Time podcast on this if you are interested in how our knowledge of bird migration evolved - https://www.bbc.co.uk/programmes
by mccalljt 8y ago
There was a very interesting In Our Time podcast on this if you are interested in how our knowledge of bird migration evolved - https://www.bbc.co.uk/programmes/b08wmk5j https://www.bbc.co.uk/programmes/b08wmk5j
- prawn 8y agoYes, that's where I first heard of it. It's a great podcast and worth recommending!