I don’t often retweet but this short video reminds me of our local  winter displays

Why Evolution Is True

Tw**t sent via Matthew Cobb (BTW, if you get the New York Review of Books, my ex-student Allen Orr gave Matthew’s new book a very favorable review, and Orr is hard to please!). These synchronized patterns of starling motion, in this case resembling a tornado, are one of the marvels of nature:

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