Sharon Levy

ASTORIA, Ore. – In late May, when young salmon and steelhead ride the spring freshet down to the mouth of the Columbia River, Rice Island is a scene of wildlife bedlam. The island, a stretch of windswept sand 21 miles from the river mouth, hosts the world’s largest nesting colony of Caspian terns – as […]

Last May, a birdwatcher in California’s Redwood National Park found the partially eaten body of a spotted owl lying in the trail. Nearby he saw the killer – an agitated barred owl, the feathers of its victim still clinging to its talons. Barred owls and spotted owls are cousins, both woodland owls, with large, dark […]

For more than a decade, biologist Brian Woodbridge watched hundreds of Swainson’s hawks raise their young in the fields of Butte Valley in northern California. Each fall, the birds headed south, but Woodbridge spotted a strange pattern. “I noticed that some years a lot more adults returned from migration than others,” he says. “That really […]