Fish ladders were designed to help migrating species like salmon bypass dams but do they actually work? In this video, we explore how fish ladders function, why many fail, and the surprising ...

A salmon passed through the fish ladder of a key dam on the upper Klamath River on Sept. 24, in what wildlife officials hope is a sign of the iconic fish repopulating ever-greater stretches of the ...

The lower half of a fish ladder at Bonneville Lock & Dam in Cascade Locks remains unchanged as upgrades focus on the upper section. A new $8 million project at the Bonneville Lock & Dam aims to make ...

This feature at Pinicon Ridge Park in Linn County is one of a growing number in Iowa meant to assist in aquatic migration.

BONNEVILLE DAM — The U.S. Army Corps of Engineers is gutting and rebuilding a large section of Bonneville Dam’s fish ladder to make it easier for Pacific lamprey to pass the dam as they return from ...

According to documents posted on the Yukon Water Board registry, the timbers in a portion of the roughly 366-metre fish ladder are deformed and deteriorating. First identified by staff on Sept. 12, ...

A project involving the construction of three fish ladders along the Ten Mile River has met delays due to site-specific complications at the Omega Pond Dam in East Providence. The project, which is ...

A year after the celebrated removal of four dams on the Klamath River, salmon have etched a new milestone in their push into once-inaccessible waters in California and Oregon. Oregon wildlife ...

A new $8 million project at the Bonneville Lock & Dam aims to make it easier for Pacific lamprey to migrate along the Columbia River. The project, currently under construction on the Washington side ...