A scene straight from 'The Birds': mega-flocks of blackbirds are out and about

KYW Newsradio Audio On-Demand
Sunday, December 15th
It's startling, exciting, and a bit ominous to find yourself surrounded by a huge flock of thousands of blackbirds. Although it looks like something out of a Hitchcock movie, as KYW Newsradio's Molly Daly tells us,  there's a perfectly natural explanation. 
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