Every year on January 1, a quirky crowd of adventurers storms out across North America for a spectacularly competitive event called a Big Year -- a grand, grueling, expensive, and occasionally vicious, "extreme" 365-day marathon of birdwatching.
For three men in particular, 1998 would be a whirlwind, a winner-takes-nothing battle for a new North American birding record. In frenetic pilgrimages for once-in-a-lifetime rarities that can make or break their lead,...
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