Many migratory species such as birds, bats, whales, and fish cross national borders to complete their lifecycle and need ...

For almost a century, migratory flyways have been a cornerstone of bird conservation. Knowing where these aerial highways are helps protect habitats and monitor species through carefully mapped routes ...

Restoring river connectivity and strengthening global cooperation can help reverse steep declines in migratory freshwater ...

One of the enduring ichthyological mysteries is how migratory fish know when it is time to move from their winter to summer habitats. The ability to tell when the seasons are changing is crucial for a ...

With the 2025 release of the Migratory Connectivity in the Ocean (MiCO) interactive map, scientists, conservationists, and ...

May 29—On World Fish Migration Day Saturday, in the underwater viewing room at Manchester's Amoskeag Fishways, curious minds age 4 and older were transfixed by a riverside show. Merrimack River ...

The Kellogg Dam in Milwaukie, Ore., was built in 1857 to power a flour mill. Today, the dam is one of the ODFW's priority barriers, blocking the migration of salmon, steelhead, lamprey and more ...

Nineteen of the 40 dams that once powered more than 200 mills along the Blackstone River remain. Colonists were astounded by the unbelievable numbers of fish they witnessed during the spring migration ...

Stefan Lovgren writes on how freshwater fish from the Arctic to Africa are endanged by climate change and the unpredictable ...