Migrating animals have for a long time been tracked by recapturing tagged individuals. More recently, radio-telemetry, which requires an observer to physically follow the tagged animal, has been used.

Quick Take Ruby-throated hummingbirds migrate about 2,000 miles annually from North America to the Yucatan Peninsula and back. Up to 70% of juveniles and 40% of adults perish along migration due to ...

Animal migration has fascinated humans for millennia. And for good reason: Some of the most astonishing feats of endurance are performed by long-distance migrants, such as the nine-day non-stop flight ...

Individual white storks incrementally straightened their migration routes to find more direct ways to move between destinations during the spring migration to summer breeding and nesting grounds, ...

The country has partnered with a nonprofit to protect up to 6 million animals. South Sudan is trying to protect the largest land mammal migration in history by partnering with the nonprofit ...

A white stork flies in Germany, where researchers tracked the birds’ migrations and concluded that they incrementally straighten their migration routes to find more direct ways to move between ...

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