As I was driving up the hill towards my house this evening, a sparrowhawk took off from a telegraph pole and flew down the road in front of me for about 100m. I had a great view of it, and clocked it at a leisurely 22mph.

OK, so not one of the most useful measurements ever taken in the history of science, but data nevertheless.

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Writer and photographer Richard Carter, FCD is the founder of the Friends of Charles Darwin. He lives in Hebden Bridge, West Yorkshire.WebsiteFacebookTwitterNewsletterBooks
Buy my book: On the Moor: Science, History and Nature on a Country Walk
…wonderful. Science and history and geography and evolution and culture all tangled up in musings while walking about the moors around Hebden Bridge.”—PZ Myers
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