WIRED @WIRED
These wild clouds you see are actually murmurations of starlings—swarms of thousands of birds that the Danish refer to as "black sun." These murmurations can confuse or overwhelm predators, and also have the side effect of leaving any human bystander in awe. 📸: Søren Solkær https://t.co/rgNJWJCXlr — PolitiTweet.org