From thousands of monarch butterflies painting the skies to massive herds of bison on the move, the U.S. is home to some of the most breathtaking animal migrations on Earth. These incredible journeys ...

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 ...

Even as you read this article, animals are charging forward, moving from one region or climate zone to another in search of new feeding and breeding grounds. Songbirds may be finishing up their yearly ...

From birds travelling non-stop for 11 days, to the incredible feats of caribou, discover some of the longest migrations animals ...

Animal migration has fascinated humans for millennia ... At the end of every summer, more than 100 million individuals sweep across North America to overwinter up to 4,750 km further south ...

Animal migrations ... for its annual migration from the northern and central United States and Southern Canada to Florida and Mexico during late summer and autumn. The eastern North American ...

On the path of Latin America's greatest wildlife migration On the path of Latin America's greatest wildlife migration The epic migration of a 6-foot long, 200-pound catfish The epic migration of a ...