ocr: A congregation of tamarisks stands on the shoreline at Eminence Break. Brought to the United States from the Middle East as. an ornamental shrub nearly 200 years ago, tamarisks now crowd many western waterways. Here they offer food- --hordes of tiny leathoppers-and shelter to increasing numbers of birds, which in turn have drawn a healthy population of per: egrine falcons. A Bewick's wren Ibelow left), whose nest is hidden in a tamarisk: north of Lees Ferry, has brought its brood a meal of insect larva. At Vaseys Paradise, an oasis marked by cliffside springs, the endangered Kanab amber snail ...
