This story appears in the November 2010 issue of National Geographic magazine. Animal migration is a phenomenon far grander and more patterned than animal movement. It represents collective travel ...

The arctic tern may look small and delicate, but these magnificent sea birds migrate further than any other animal on the planet. In a 30-year lifetime, a single tern can fly the same distance as ...

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 ...

As extreme quantities of greenhouse gases pilfer Earth’s ecosystem, half of the world’s 4,000 animal species are migrating toward more habitable regions. From polar bears to purple emperor ...

These are the animals with the longest migrations. In the Yukon, Porcupine caribou travel 3,000 miles. This is the longest migration by land of any mammal on Earth. Monarch butterflies fly about ...

Animal migration is the long-distance relocation of individual animals. It usually involves a substantial number of individuals and is often in response to a seasonal or life-history cue.

Many animals must travel great distances across land, air and sea to meet their ecological needs. This phenomenon is called migration, defined as the "seasonal movement of animals from one habitat ...

and animals would be able to use those quite well for migration. So as I watched that leatherback in Costa Rica use her oar-like front flippers to expertly disguise her newly laid nest with sand ...

The epic journey of Canada’s last (and only) reindeer The epic journey of Canada’s last (and only) reindeer On the path of Latin America's greatest wildlife migration On the path of Latin ...