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migration

The Importance of the Yellow Sea - With Nils Warnock

For shorebirds like Bar-tailed Godwits, Black-bellied Plovers, and Dunlin, mud matters. Few mudflats are more important than those of the Yellow Sea along the coast of China, and North and South Korea, where more than 70 species of shorebirds rest and feed. For several species of shorebirds,... read more »

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Topics & Themes:  ecology, migration

More Information than from 100 Years of Bird Banding

Geolocators are revolutionizing our ability to track migrating birds. When mounted on the backs of birds like this Common Swift, these tiny technological backpacks reveal fascinating information. For example, when researchers in Europe used geolocators to study Common Swifts, they discovered a... read more »

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Topics & Themes:  migration, science

Geolocators Reveal Secrets of Landbird Migration

Geolocators are revealing fascinating information about the lives of migratory birds. These devices are so light that they can be mounted on the backs of even small birds like the Wood Thrush pictured here with its nestlings. Thanks to geolocators, we know that many Wood Thrushes return to the U.... read more »

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Topics & Themes:  ecology, migration, ornithology, science

Counting North America's Waterfowl

In autumn, millions of North American waterfowl – like these Redheads – migrate south. They come from Alaska, the prairies and forests of Canada, the Pothole region of the Dakotas, and Eastern Montana. Their arrival is awaited by birders and hunters alike. Because waterfowl are a vital natural... read more »

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Topics & Themes:  migration, nesting, science

How Evolution Works, Featuring Dr. Mike Webster

After breeding in Alaska, some Swainson’s Thrushes migrate across Canada to the East Coast before turning south to Ecuador. Others migrate directly down the Pacific Coast to the same destination. Why are some are traveling twice the distance? Dr. Mike Webster of the Cornell Lab of Ornithology... read more »

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Topics & Themes:  ecology, migration, science

Radar Ornithology with Dr. Cliff Mass

Did you know that weather radar can track the migration of birds? Dr. Cliff Mass, Professor of Atmospheric Sciences at the University of Washington, describes the radar images from a massive migration through the Puget Sound region of Washington State. Shortly after midnight on September 8, huge... read more »

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Topics & Themes:  migration, science

Purple Martins Head South to the Amazon

The Purple Martin is the largest swallow that nests in the US and Canada. It’s also one of our most beloved birds, judging by how many people put up nest boxes for them! During fall, Purple Martins from western North America migrate to a distinct wintering area in southeastern Brazil — a travel... read more »

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Topics & Themes:  migration, science

Counting a Million Raptors Over Veracruz

A “river of raptors” flows through Veracruz State in eastern Mexico during the month of September. In Living on the Wind, Scott Weidensaul describes his experience counting the birds: “Nothing in a lifetime of birdwatching had prepared me for this spectacle,” he says. “As our sense of numbed... read more »

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Topics & Themes:  migration

Bar-tailed Godwit Migration, Featuring Nils Warnock

During fall migration, a Bar-tailed Godwit like this one will fly over the Pacific Ocean, making a non-stop flight of 7,000 miles from Alaska to New Zealand. These amazing birds can achieve their epic journeys only after fattening up – along the coast of Alaska in fall, or along the Yellow Sea... read more »

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Topics & Themes:  migration

Evolution of European Blackcaps - Featuring Mike Webster

Nature is evolving constantly. Dr. Mike Webster of the Cornell Lab of Ornithology describes an example of rapid evolution and adaptation from the world of birds. He says the European Blackcap, a species of warbler, used to breed in Germany during the summer and migrate to Spain in the winter. But... read more »

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Topics & Themes:  ecology, human interaction, migration

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