Items by Sharon Levy

Carrying your own load
Carrying your own load
Sharon Levy’s friends, Kerby and Irene, lived off the grid in Northern California and taught her a lot about life.
Are birds to blame for vanishing salmon?
On Rice Island at the mouth of the Columbia River near Astoria, Ore., the world's largest nesting colony of Caspian terns enthralls birders but worries others, who claim the birds are eating too many endangered salmon and steelhead smolts.
The spotted owl has a new enemy
The barred owl has moved into the territory of the endangered spotted owl, and its tendency to compete with, prey on and occasionally mate with the spotted owl may doom the endangered bird.
Crossing borders to save hawks
Biologist Brian Woodbridge tracks Swainson's hawks from California to Argentina, and discovers that many are being killed by pesticide-contaminated grasshoppers.