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Narrated by the incomparable David Attenborough, this footage goes to show that urban birds really are smarter.


The cross-walking crows recall a similar feat accomplished by the dogs of Moscow. Each day, the stray mutts take the subway to the city center to forage for shoarma and other treats, and ride it to the suburbs at night, presumably where the sleeping arrangements are more amenable. These behaviors demonstrate that urban environments don't just inspire novel cultural traits in humans, but in big-brained animals as well. Old nature has gotten street smart.

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