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In this photo taken Friday, May 9, 2014, young Chinook salmon move through a plastic pipe as they are loaded into a tanker truck at the Nimbus Fish Hatchery in Rancho Cordova, Calif. The young fish, called smolts, were transported to Mare Island, where they were taken in floating nets by barge and released in San Pablo Bay. Due to the worst drought that California has faced in 40 years, state and federal wildlife officials fear that the smolts, normally released upriver near the hatcheries were they were spawned, would not survive low river flows, warm water and predators to survive the journey to the ocean.(AP Photo/Rich Pedroncelli)

Salmon migrate by truck during California drought

In drought-stricken California, young Chinook salmon are hitting the road, not the river, to get to the Pacific Ocean.

Millions of six-month-old smolts are hitching rides in tanker trucks because California's historic drought has depleted rivers and streams, making the annual migration to the ocean too dangerous for juvenile salmon. (AP)

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