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A wolf leaves Yellowstone National Park. It follows the scent of elk, crosses an invisible boundary and enters Montana.

Each fall, millions of monarchs from Canada and the U.S. travel thousands of miles to reach their winter home in the mountain ...

An early clue came from storks found in Europe with African arrows in their bodies. Today, an atlas reveals hundreds of bird ...

A federal judge closed the case against Mexico's former migration chief over the 2023 Ciudad Juárez fire that killed 40 ...

In the 10 months since the wildlife crossing between Larkspur and Monument opened, there’s been just 2 reported collisions ...

On open beaches, gravel riverbeds and bare volcanic plateaus, banded dotterels—or double-banded plovers, as they are called ...

Read all the way to the end – we save the one detail most people never think about for last. Every year, something extraordinary unfolds across the skies, oceans, and plains of our planet. Animals by ...

Analysing a global database of migration timing for 549 bird species together with a full annual cycle theoretical model, the authors show that migration has advanced by >13 days since 1970 and that ...

Discover the incredible secrets of animal navigation! Learn how birds, whales, and insects master Earth's invisible paths using celestial compasses, magnet ...

Nearly 7 million birds flew across Washington state Thursday night, with even more expected over the weekend, according to the Cornell Lab of Ornithology. Scientists are asking people to turn their ...