Ocean Beach’s Sand Supply Dries Up, Putting Endangered Shorebirds at Risk

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Ocean Beach in San Francisco is eroding because of changes in the sediment cycle in the bay. Creative Commons image by Flickr user

By Jimmy Tobias, Bay Nature 

Marching north along Ocean Beach on the San Francisco coast, Dan Murphy stops and points his binoculars at a clutch of birds that look like cotton balls with beaks.

“There they are,” says Murphy, a veteran bird watcher and volunteer with the Golden Gate Audubon Society. “It’s a scarce flock.”

Four western snowy plovers, small shorebirds listed as threatened under the Endangered Species Act, trot back and forth across the sand. They leave trails of three-pronged footprints in the wave-swept terrain on this cool September morning. Coastal dunes, like the ones at Ocean Beach, are the birds’ preferred habitat. A handful of the estimated 2,500 breeding adults left on the United States’ Pacific Coast spend the winter here each year.

Read the complete story at Bay Nature. 

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