Researchers at Cornell Lab of Ornithology, University of Massachusetts and University of Illinois have developed breakthrough methods to track the migration of individual bird species by combining ...

Across the sky, over land, through rivers and across oceans, animals are constantly on the move: traveling to find food, water, shelter and mates. And for centuries, people have watched these ...

On hearing the first cuckoo of spring, the poet's heart might sing, and while one swallow does not make a summer, the annual migrations of bird species across continents have fascinated us for ...

Just north of the great Serengeti wildebeest migration, a smaller migration across the Mara ecosystem is collapsing. New maps published in the Atlas of Ungulate Migration reveal the dramatic impact of ...