Lasers help researchers predict birds' preferred habitat

Every spring, migratory birds like the Black-throated Blue Warbler journey from tropical Caribbean or South American refuges to North American forests. But which forest patch will they call home this year? And, how can researchers ...

Mercury-ridden songbirds get an extra jolt during migration

Migration is hard on a songbird. It has a commute of thousands of miles—north or south, depending on the season—a journey that often includes a nonstop flight over the Gulf of Mexico or even along nearly the entire coastline ...

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