Bird migration represents one of nature’s most remarkable phenomena, where millions of feathered travelers navigate thousands of miles using nothing but instinct and celestial navigation. This aerial ...

Each year, birds set out on their annual spring migration, traveling to their summer feeding grounds. This time of year is when local birds that went south for the winter return, or when birds that ...

A male blue-winged warbler. Long-distance bird migration is one of the natural world's most inspiring phenomena-but the story of how we know what we know about bird migration is almost as amazing as ...