The latest bird flu is the deadliest and most infectious one ever to strike Europe or North America, and it's ripping through the Pacific Flyway right now. But it didn't come out of nowhere. Let's not blame the ducks for this one, though. Reported and read by Guananí Gómez-Van Cortright. Produced by Kate Golden (@meownderthal).

From Bay Nature's Winter 2023 print issue. Read the story online.

Episode art by Joel Sartore.

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