Most migratory birds rely on a greening world, study finds

A new study from the Cornell Lab of Ornithology confirms that most birds—but not all—synchronize their migratory movements with seasonal changes in vegetation greenness. This is the first study of its kind to cover the ...

Commentary: It's not too late to save the birds of North America

Over three weeks starting Saturday, thousands of birders in the Western Hemisphere will take part in the annual, 119-year-old Audubon Christmas Bird Count. These tallies are conducted in prearranged circles within a seven-mile ...

Study of northern Alaska could rewrite Arctic history

Parts of Alaska's mountainous Brooks Range were likely transported from Greenland and a stretch of the Canadian Arctic much farther to the east, according to a series of Dartmouth-led studies detailing over 300 million years ...

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