Humpback whales appear on the Sacramento River (USA)

People in northern California state of America saw at least two humpback whales swimming on the Sacramento River on Monday (May 14). Two whales swim through to swim back to a river section near the mouth of Steamboat Slough river. This is a rare phenomenon.

The Coast Guard said they found four whales on Sunday, but on Monday they saw only two. The National Marine Fisheries Service and the Sausalito Marine Mammal Center are also watching these whales. They fear they may run aground.

The Coast Guard forces demanded that boats and ships travel at least 100 meters away from these " giants ", the nearby planes had to fly at altitudes over 300 meters.

These whales appeared in the same place people once discovered, the Humphrey famous humpback fish in 1985. Humphrey was brought back to the sea safely after struggling there for almost a month, but five years later, it was Return to San Francisco Bay and people must mobilize rescue forces to pull it out of a shallow water.

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