For the first time in more than a century, salmon are swimming freely along the Klamath ... of their life in the Pacific Ocean but return up their natal rivers to spawn. The fish population ...

the cherry salmon attempt to scale a waterfall as they look to spawn upstream. The sight of the thousands of indefatigable fish trying to leap up the water attracts about 25,000 people a year.

You can do this by building fish ladders. Fish ladders look like a series of small waterfalls alongside a dam. Salmon swim upstream, and they "jump" from one waterfall to the next, until they ...

The technical and policy challenges, however, are many and warrant scrutiny from the United States and its allies to maximize mission success. Exploring these challenges and the oft-heard “new Moon ...

(AP) — For the first time in more than a century, salmon are swimming freely along the Klamath ... their life in the Pacific ...

It created a waterfall which is preventing millions of chinook, steelhead, coho and sockey salmon from swimming upstream to their habitual spawning grounds. Canada is airlifting thousands of ...