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The songbirds at the feeder outside your window are not the same as they used to be. The goldfinch, the grosbeak and even the ever-present sparrow are all a little bit bigger. A NEW STUDY PROJECTS MAJOR CHANGES• Changes in snowmelt may mean that long periods of flooding become rare in the Yolo Bypass (above) by 2060. Such flooding creates an explosion of insect food that is important to imperiled fish, including salmon. • Water temperatures lethal to endangered salmon, above, and Delta smelt will become common by 2080. • Extreme water heights that cause flooding – a combination of sea level rise, high tide and storm surge – will switch from rare to routine. Water heights that now occur eight hours per decade at the Golden Gate are projected to occur 1,000 hours per decade by 2050, and worsen thereafter. Above, a surfer braves storm waves underneath the south tower in 2008. According to projections by a U.S. Geological Survey scientist, changes in snowmelt may mean that long periods of flooding will become rare in the Yolo Bypass by 2060. Such flooding promotes the growth of insect food that is important to endangered fish. READ MORE

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